Questions Asked on
February 3, 2014

  1. maths for business

    Dawson, Inc., paid a dividend of $0.65 per share last year. If the stock selling price of the stock is $25.12, what is the current yield on the stock? Round your answer to the nearest tenth percent

    asked by Chudy
  2. English

    1. Shut the door behind you. 2. Shut the door behind yourself. 3. I looked about me. 4. I looked about myself. 5. We have the whole week before us. 6. We have the whole week before ourselves. (Are both pairs grammatical? Which one do we have to use?)

    asked by rfvv
  3. Chemistry II

    What is the molal concentration of an aqueous calcium chloride solution that freezes at -2.43 degrees C?

    asked by Chrystal
  4. SS

    Suppose that people in your community voted to eliminate all taxes. Which of these goods and services would most likely disappear? A. interstate highway maintenance B. neighborhood trash pickup C. regional military base D. grocery store parking lots B What

    asked by Anonymous
  5. maths

    A water tank has the shape of a rectangular prism of base 50 cm2. This tank is being filled at the rate of 12 liters per minutes. Find the rate at which the height of the water in the water tank increases; express your answer in millimeters per second.

    asked by LARA
  6. Finite

    Assume that there are 18 board members: 12 females, and 6 males including Larry. There are 4 tasks to be assigned. Note that assigning the same people different tasks constitutes a different assignment.

    asked by John
  7. math

    In a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes

    asked by britney
  8. Chemistry

    What is the molal concentration of an aqueous calcium chloride solution that freezes at -2.43 degrees C?

    asked by Arya
  9. Pol 201

    Question 4.4. Liberalism rests in a conception of equality whereby the government (Points : 1)

    asked by Joe
  10. Science

    The sensitivity of a measuring instrument is the value of the smallest quantity that can be read or estimated with it. What is the smallest part of a centimeter that can be read with the following? (a) a meterstick with markings at each millimeter I tried

    asked by christina
  11. science

    You measure the dimensions of a rectangular block of aluminum to determine its volume. It has the following dimensions. length = 10.27 cm; width = 4.92 cm; height = 1.53 cm Assuming that each of these measurements is accurate to the nearest 0.01 cm, find

    asked by christina
  12. calculus

    y= -5x + 4 OVER 10 - 5x find the asymptotes of the function

    asked by britney
  13. A & P

    A 50-year-old woman reports in her medical history that her mother has Graves' disease, so the woman is concerned about having the condition as well. Which of the following symptoms would suggest that she does indeed have this disorder? A. She suffers from

    asked by Diana
  14. Math

    In one hour, a factory packaged 150 boxes of light bulbs. Estimate the total number of defective light bulbs packaged that hour based on a sample of 8 boxes containing the following numbers of defective bulbs: 5, 3, 5, 1, 2, 9, 4, 3

    asked by Lola
  15. Math

    Estimate the total number of years of service of 200 factory workers based on a sample size of n=5 where the years of service reported are 12, 8, 20, 5, 12

    asked by Lola
  16. Trig

    A fan makes 3 revolutions per second. The blades are 21 inches long. How do I find the angular velocity of a fan blade? in radians per second

    asked by Anonymous
  17. Coordinate geometry

    Help me i this please the segment joining the midpoint of 2 sides f a triagle is parallel to the 3rd side and half as long. thaks

    asked by King
  18. CHEMISTRY

    HELP MY REPORT IS ABOUT SATURATED ND UNSATURATED SOLUTIONS

    asked by Joy
  19. math for business

    A mutual fund has a total assets of $46,000000 and liabilities $3,760,000. If 850,000 are outstanding, what is the net asset value of the fund?

    asked by Chudy
  20. solid mechanics

    at a point in a strained material the principal stresses are 60MPa and 40MPa.find the position of the plane across which the resultant stress is most inclined to the normal and determine the value of this stress.

    asked by sabin
  21. PHYSICS

    AGLASS BLOCK WEIGHS 2.5N IN AIR WHEN USUALLY IMMERSED IN WATER THE WEIGHS 15N.CALCULATE APPARENTLOSS IN WATER.

    asked by GUTOS
  22. Physics

    An alloy of mass 225g is heated to 550C. It is quickly placed in 450g of water at 12C. The water is contained in an aluminum calorimeter cup of mass 210g. The final temperature of mixture is 31.7C. Specific heat of aluminum is 0.215 cal/gC. Find the

    asked by Tsunayoshi
  23. physics

    need five differences between compounds and molecules...... got only one that is ;A molecule is formed when two or more atoms join together chemically. A compound is a molecule that contains at least two different elements.

    asked by leena
  24. Anatomy and Physiology

    A eukaryotic cell in a human body has just reproduced assexually. Which of the following has mostl likely just occurred? A. Metastasis B. Fertilization C. Mitosis D. Meiosis

    asked by Diana
  25. Anatomy and Physiology

    A eukaryotic cell in a human body has just reproduced assexually. Which of the following has mostl likely just occurred? A. Metastasis B. Fertilization C. Mitosis D. Meiosis In which phase of the cell cycle are the chromosomes split? A. Anaphase B.

    asked by Diana
  26. physics

    I'm driving along at a constant speed in my 3 metre long car when I notice that I am accidentally driving through a red light. If the rear of my car passes under the light 0.3 seconds after the front of my car, how fast am I driving in m/s?

    asked by suresh
  27. chemistry

    a student tried to separate a mixture of sand and red-colored water using a suction filtration apparatus. From a mixture of 10.0g of sand and 90.0g of water, the student recovered 9.5g of sand. what was the percent recovery of sand from the mixture? the

    asked by CeeCee
  28. chemistry

    2part question a camper obtained a sample of water from a mountain stream for cooking, but the water appeared to be cloudy with slit. what would be the best method of separating the silt from the water? Draw a flow chart for the separation you have

    asked by CeeCee
  29. EARTH SCIENCE

    When the water level of a stream or river exceeds its natural banks, it has reached its

    asked by SAM
  30. physics

    You are driving down the road and hit a bump which causes your fishing tackle box to bounce out of the bed of your pickup. The box decelerates at a rate of 3 m/s¶ and skids 24 meters before coming to a stop. How fast were you traveling when the box fell

    asked by isabella
  31. math

    The third term of a G.P is 24 and the sum of the first two terms is 288. If all the terms are positive,find a)the first term and the common ratio b)the sum of all the terms from 4th term to the 8th term

    asked by Anonymous
  32. sjc coolege

    A steel bar 10m long and 10cm ×2.5cm in section .It is subjected to an axial pull of 250KN. Determine the intensities of normal and tangential stresses on a plane.

    asked by zee
  33. math literacy

    A teacher walks around a hockey field 16 times every afternoon. The Field measures 93,5m by 57m. How Far Has She walked(in Metres) in one day

    asked by jaundre
  34. computer Science

    14 Your brother is going to serve in the military overseas for four years and asks you about storing his computer in a public storage facility while he is away. The storage unit is not temperature controlled. What could be the negative impact of doing

    asked by Steven
  35. math

    1. Which angles are adjacent angles? (1 point) ∠GBM and ∠FBC ∠CBX and ∠FBC ∠XBG and ∠FBC ∠MBY and ∠FBC 2. The measure of ∠3 is 101°. Find the measure of ∠1. (1 point) 101° 106° 74° 79° 3. Is line l parallel to line m? Explain.

    asked by christian
  36. physics

    Suppose that a public address system emits sound uniformly in all directions and that there are no reflections. The intensity at a location 20 m away from the sound source is 3.0 × 10-4 W/m2. What is the intensity at a spot that is 87 m away?

    asked by Anonymous
  37. Statistics

    For an IQ test, we know the population n=100 and the ox = 16. We are interested in creating the sampling distribution when N = 64. (a) What does that sampling distribution of means show? (b) What is the shape of the distribution of IQ means and the mean of

    asked by Tonya
  38. Nuclear Radiation Technology

    T1/2(Ra-226) = 1602 years What is the activity of 1 gram of Ra-226? Give the answer in Ci and Bq? What would be this activity after 1T1/2 and 5T1/2? Would appreciate if someone could show me how to do this question. Thanks.

    asked by Ali
  39. Nuclear Radiation Technology

    T1/2(Ra-226) = 1602 years What is the activity of 1 gram of Ra-226? Give the answer in Ci and Bq? What would be this activity after 1T1/2 and 5T1/2? Someone please help me with this question.

    asked by Fatima
  40. Statistics in Psychology

    Please help me with both of these questions. THANK YOU in advance for your for you help. 13. For the data, 9 5 10 7 9 10 11 8 12 7 6 9 (a) Compute the z-score for the raw score of 10. (b) Compute the z-score for the raw score of 6. 14. For the data in

    asked by Annie
  41. physics

    Two speakers, one directly behind the other, are each generating a 579-Hz sound wave. What is the smallest separation distance between the speakers that will produce destructive interference at a listener standing in front of them? Take the speed of sound

    asked by Anonymous
  42. physics

    On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.30 m away from your sailboat in the horizontal direction. When you are 2.70 m below the surface, the top of the sailboat mast appears to you to be in a direction 31.0° from

    asked by Anonymous
  43. physics

    On a calm, bright day, you're scuba diving in a deep lake (n = 1.33), 6.30 m away from your sailboat in the horizontal direction. When you are 2.70 m below the surface, the top of the sailboat mast appears to you to be in a direction 31.0° from

    asked by physics help
  44. Math

    2. Assuming your weekly gross earnings are $525, calculate your withholding tax using the wage bracket method and the percentage method.

    asked by John
  45. SS

    Governments must provide some goods and services because? A. producers cannot limit who uses them. B. only some people wish to use them. C. private companies are unable to make them. D. consumers distrust private suppliers of them. C

    asked by Anonymous
  46. Math

    Name four values of b which make the expression factorable: x^2 - 3x + b

    asked by Anonymous
  47. Algebra

    On Jan 1, 2010, Chessville has a population of 50,000 people. Chessville then enters a period of population growth. Its population increases 7% each year. On the same day, Checkersville has a population of 70,000 people. Checkersville starts to experience

    asked by Anonymous
  48. SCIENCE --- CHECK MY WORK PLS

    help pls, check my work asap!?? 1) Which of the following is a chemical change? (1 point) Boiling of water*** Melting a cube of ice Dissolving 10 grams of salt in water Splitting water into hydrogen and oxygen 2) What is the mass of water that results from

    asked by TTR+S<3
  49. Statistics in Psychology

    Please help with this question, THANK YOU in advance. A line should be over the top of both X’s. In an English class last semester, Foofy earned a 76 (X = 85, Sx = 10). Her friend, Bubbles, in a different class, earned a 60 (X=50, Sx = 4). Should Foofy

    asked by Annie
  50. History

    a) Which technologies have been pivotal in the development of the Information Age? To what extent did the Industrial Revolution create the foundation for modern technologies? b) How have the technological changes of the Information Age transformed modern

    asked by Shadyy
  51. Science

    Which Of the following differs when comparing the deep ocean to the intertidal zone?? A) Need for Energy B) Salinity C) The amount of sunlight* D) Reliance on phytoplankton

    asked by Sam
  52. Physics

    The acceleration of a particle moving only on a horizontal xy plane is given by , where is in meters per second-squared and t is in seconds. At t = 0, the position vector locates the paticle, which then has the velocity vector . At t = 3.60 s, what are (a)

    asked by Catherine
  53. Literature and Social Studies--Please, help me!

    1. How does the song's (Pride by Bono and The Edge) message relate to King's message in "I Have a Dream"? A: The song's message relates to the King's message in his infamous "I Have a Dream" speech as it is about nonviolence and loving during a nonviolent

    asked by Anonymous
  54. physics 1

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.5 m/s and ax = +5.8 m/s2. The y components of the puck's initial velocity and

    asked by anonymous
  55. Physics

    I was wondering if my answers are correct. Thanks in advance. 1. A boy pushes down on a car rolling horizontally down the road. The boy pushes down vertically with 10N of force as the car rolls 3.0m horizontally. What work is done? my answer: 30 N•m (or

    asked by Liz
  56. Statistics in Psychology

    Please help. Thank you in advance for your time. In an English class last semester, Foofy earned a 76 (x¯= 85, Sx= 10). Her friend, Bubbles, in a different class, earned a 60 (x¯= 50, Sx = 4). Should Foofy be bragging about how much better she did? Why?

    asked by Annie
  57. Math

    How many 2-digit numbers can be formed using only the digits 2, 3, 5, and 6, if the digits are not be repeated within a number? A.11 B.12 C.10 D.2 I just don't understand

    asked by Babatunde
  58. Anatomy and Physiology

    A eukaryotic cell in a human body has just reproduced assexually. Which of the following has mostl likely just occurred? A. Metastasis B. Fertilization C. Mitosis D. Meiosis Student Answer: B Answer: Incorrect Reference: 18. In which phase of the cell

    asked by Diana
  59. Math

    I need help with this really bad. At West Middle School, 30% of students have a dog, 20% of students have a cat, 10% of students have another kind of pet, and 40% of students have no pets. a) Explain how you can use a random-number table to find the

    asked by Babatunde
  60. History8

    Where Andrew Jackson and Nicholas Biddle political allies?

    asked by ilikezackalot
  61. Science

    I don't understand these problems can you help me. Multiple Choice 1. At the chromosomal level, what is the difference between human males and human females? (1 point)All males have a Y chromosome, and females do not. All males have an X chromosome, and

    asked by Babatunde
  62. Physics Please check my answers

    It's possible for a body to have both rotational and translational motion at the same time. True.

    asked by Chelsea
  63. Algebra

    (-m)^-3n if m = 2 and *n=-24

    asked by Sandra
  64. History8

    A government permit to operate the Bank of the United States was called a... Bank loan?

    asked by ilikezackalot
  65. umlazi comtech

    identify the preposition it sees that during

    asked by snenhlanhla
  66. Physical sciences(Mechanics)

    A tractor pulls a tree trunk across a horizontal piece of ground.If the force in the chain is 3000N and the chain forms an agle of 30 degrees with the ground,calculate:The forces with which the tree is pulled across the ground.

    asked by Confidence
  67. physics

    TWO BOXES A AND B ARE LYING ON THE TABLE AND ARE CONNECTED BY A PIECE OF STRING. THE MASS OF BOX A IS 3KG AND B IS 2KG. A 10N PULLING FORCE, POINTING TO THE RIGHT IS APPLIED TO BOX X CAUSING THE TWO BOXES TO MOVE TOGETHER AT CONSTA SPEED. a) determine the

    asked by THEMBINKOSI GASA
  68. American Culture?

    Is The Last of the Mohicans one of the Leatherstocking Tales?

    asked by ilikezackalot
  69. physics

    a year ago she measured 98cm from her tree . now it 1.1m tall how much has it grown

    asked by kjpuij
  70. Math

    At West Middle School, 30% of students have a dog, 20% of students have a cat, 10% of students have another kind of pet, and 40% of students have no pets. a) Explain how you can use a random-number table to find the experimental probability that in a group

    asked by Babatunde
  71. History8

    what writer popularized american historical fiction?

    asked by ilikezackalot
  72. math --- pls check my work!

    help pls asap!!! Check my work! 1. Find the area for the following figure. (trapazoid: bottom base 16.3, top base 5.9, height 4.6) 51.06 m^2*** 74.98 m^2 27.14 m^2 102.12 m^2 2. Find the area for the following figure. (1 point) (triangle: base 20.3, height

    asked by TTR+S<3
  73. History8

    The spirit of national pride that developed during the Era of Good Feelings was reflected in the art from the _____________. a.The Enlightenment Era b.Hudson River school c.Renaissance Artists d.None of the above

    asked by ilikezackalot
  74. Physics

    Guide me through this plz. A single 1,300 kg cargo train car is rolling along a train track at 2.0 m/s when 400 kg of coal is dropped vertically into it. What is its velocity right afterward? Assume a closed system. (Points : 1) 1.5 m/s 2.0 m/s 6.5 m/s

    asked by Me and I
  75. social studies (CHECK ASNWERS)

    please check my answers and if there wrong maybe you could tell me the correct one.but thanks anyways. 1. How did the formation of the National Action Party change Mexican politics? A.It ended the one-party system. B.It consolidated power among a few key

    asked by Anonymous
  76. Physics Please check my answers

    1. A fluid can only be a liquid. True

    asked by Chelsea
  77. Science

    1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting

    asked by Jonathan
  78. computer Science

    14 Your brother is going to serve in the military overseas for four years and asks you about storing his computer in a public storage facility while he is away. The storage unit is not temperature controlled. What could be the negative impact of doing

    asked by Steven
  79. computer Science

    17 You purchase a used optical drive from a second and store replace a single optical drive that has gone bad on your desktop. How would you set the jumper? a. Single b. Cable select c. Master d. Slave

    asked by Steven
  80. Math

    Mrs hart spent 3/5 of her money on a bag. 1/6 on a belt . She has 14 dollars left. How much money did she have in the beginning ?

    asked by Khan
  81. computer Science

    17 You purchase a used optical drive from a second and store replace a single optical drive that has gone bad on your desktop. How would you set the jumper? a. Single b. Cable select c. Master d. Slave

    asked by Steven
  82. Physics

    An aluminum calorimetry cup [mc = 0.6 kg, cc = 0.22 kcal/(kgC)] is filled with water [mw = 2.4 kg, cw = 1 kcal/(kgC)]. It is at a temperature of 30C. A sample of an unknown substance with mass mm = 2.34 kg, originally at a temperature of 210C, is added.

    asked by Riley
  83. Physics

    Am I correct? Two carts have a compressed spring between them and are initially at rest. One of the carts has total mass, including its contents, of 5.0 kg, and the other has total mass of 3.0 kg. If the 3.0 kg cart is moving at 3.0 m/s after the spring is

    asked by Me and I
  84. Social Studies and Literature

    1. How does the song's (Pride by Bono and The Edge) message relate to King's message in "I Have a Dream"? A: The song's message relates to the King's message in his infamous "I Have a Dream" speech as it is about nonviolence during a violent era. For

    asked by Anonymous
  85. 8gradescience

    How do helmets protect your head? a.By creating a large area to spread out the pressure of a blow to your head. b.By focusing the pressure of a blow into a small area. c.By creating a vacuum that protects your head. d.By creating a pressure gradient that

    asked by ilikezackalot
  86. Maths

    £2000 is invested at x% interest over three years. At the end of three years the money has grown to £2963. To the nearest percentage find the rate of interest. If you could help me out I would greatly appreciate it. I've tried to figure it out numerous

    asked by Steph
  87. Help with science

    1. Aquaculture is the practice of farming sea organisms as a renewable food source. A. True B. False. 2. Selectively cutting down trees on an area of land can be best described as A. cutting down certain trees while leaving other trees standing B. cutting

    asked by Jonathan
  88. math

    Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts?

    asked by Na Bug
  89. Physics

    I was wondering if my answers are correct. 1. A 50kg person is taking a ride on an elevator travelling up at a steady speed of 2.5m/s. Find the time fo the elevator trip if the elevator does 4900 J of work on the person. My answer: First I used the formula

    asked by Liz
  90. Physical sciences

    Two girls drag a bag across the floor one girl exerted a force of 10N and the other girl a force of 30N in the same direction:CALCULATE THE RESULTANT FORCE ON A BAG

    asked by Semakaleng
  91. math

    the length of the blue ribbon is two-thirds of the length of the red ribbon. writh an equation to find the length r of the red ribbon

    asked by cam
  92. physics 1

    A puck is moving on an air hockey table. Relative to an x, y coordinate system at time t = 0 s, the x components of the puck's initial velocity and acceleration are v0x = +3.5 m/s and ax = +5.8 m/s2. The y components of the puck's initial velocity and

    asked by anonymous
  93. Chemistry

    Henry constant for the dissolving of nitrogen in water was reported as 7e-4 mol/Latm at 20 deg Celsius. What is the value of the equilibrium constant, K, at 20 deg Celsius for the process N2(g0)=N2(aq). If the amount of nitrogen in aqueous solution is .1

    asked by Anonymous-PLEASE HELP!!
  94. Physics

    Am I correct? Which statement explains why a bicycle is stable when a rider pedals quickly? (Points : 1) The angular momentum vector resists directional change.

    asked by Me and I
  95. Language Arts

    Which is the correct MLA citation for a magazine article? A. Brian Carson. "The Real Story Behind Bigfoot." Myths and Legends Mar. 2010:20. Print. ****** B. Carson, Brian. "The Real Story Behind Bigfoot." Myths and Legends Mar. 2010:20. Print. C. Brian

    asked by George
  96. Physics

    How much (in Celsius degrees) is the temperature of 1.3 kg of alcohol raised by adding 4.1 kcal of heat? The following piece of information may come in handy: specific heat of alcohol is 0.58 kcal/kgC.

    asked by Riley
  97. science

    which of the following is not a method of asexual reproduction ? a) regeneration b) vegetative propagation c) budding d) meiosis e) mitisos

    asked by victoria
  98. math 6th grade

    the bridge span is 360 meters long. the bridge is 30 meters shorter than the main span. write and solve an equation to the the length of the main span

    asked by cam
  99. Zero and Negative Exponents- Algebra

    I need help with the following: What is the simplified form of 3a^4b^-2c^3? (1 point) What is –a^-2 if a=-5? (1 point) What is the simplified form of –(14x)^0y^-7z? (1 point) What is (-m)^-3n if m=2 and n=-24? (1 point)

    asked by Gabby
  100. Physics

    A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)

    asked by Riley
  101. Physics

    Your are sitting in your car, which is standing at the side of the road with the engine idling. In the rearview mirror, you see one of your class mates approaching on a bicycle on the sidewalk. The moment the other student passes you, you start

    asked by Anonymous
  102. History

    1. Monasticism in medieval Europe: A. was entirely a male area of activity. B. involved an egalitarian governance structure. C. included women, many of whom belonged to royal families D. was based upon the model established by St. Basil. im confused

    asked by Any
  103. chemistry

    A 0.25 kg length of aluminum wire is warmed 10.0°C by an electric current. How much heat was generated by the current?

    asked by maria
  104. math

    Gary has $1.56 in change in his pocket. if there is a total of 19 coins, how may quarters, dimes, nickeland pennies does her have?

    asked by raquel
  105. History

    3. By the end of the thirteenth century, the institutionalization of the English Parliament: A. provided the foundation for the absolute rule of the monarch. B. enabled the barons and church lords to establish themselves in the House of Commons. C. was a

    asked by Any
  106. chemistry

    how can we separate MnCl2(aq)+Na2SO4(aq)?

    asked by farina
  107. Global Studies (Please help)

    which of the following was neither part of the confederacy nor the union? a. Minnesota b. Texas c. Michigan D. Colorado

    asked by George
  108. Physics

    You throw a ball straight into the air from a height of 4 feet and with a speed of 5.3 m/s. The moment the ball leaves your hand you start running away at a speed of 2.37 m/s. How far are you from the ball, the moment it hits the ground?

    asked by Anonymous
  109. Math

    Write a linear function that satisfies the given condition F(0)=12, f(3)=-2

    asked by Anonymous
  110. Science--Physics--check answers

    1. A football player pushes a dummy forwards at a constant 0.85m/s for 11m using 7150 J of energy. The dummy has a mass of 120 kg. Find the force the football player exerts, find the frictional force the dummy exerts. - for my answer I got 1176N as the

    asked by Diane
  111. History

    1. The Dominican friars: A. were established in the ninth century. B. were first led by the highly intellectual Dominic de Guzmán. C. lived among the people and helped the poor. D. became key factors in combating heresy under the leadership of the Holy

    asked by Any
  112. Global Studies (check please)

    The belief, shared by many Americans, that the United States had a right to own all the land from the Atlantic to the Pacific was called a. America's Right ***** b. Manifest Destiny c. The Inheritance d. Free Will Which of the following was neither part of

    asked by Ashley
  113. Physics

    After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 2.12 km away. Her dog runs ahead, at twice the speed, reaches the campground and turns around until it meets her again. Then, the dog proceeds to

    asked by Anonymous
  114. math

    Draw different rectangles with the perimeter of 12 units

    asked by john
  115. Physics

    I think I chose the correct answer. In a closed system, two carts have a compressed spring between them. One of the carts has a total mass, including its contents, of 2.0 kg, and the other has total mass of 1.0 kg. Which cart experiences the momentum

    asked by Laura Khoshaba (Me and I)
  116. Physics

    An ideal gas heat engine operates in a Carnot Cycle between temperatures of 266 and 115°C. It absorbs 4250 cal per cycle at 266°C. What is its efficiency as a percentage?

    asked by Riley
  117. Physics

    An ideal monatomic gas goes from p1 = 180 atm and V1 = 45 m3 to p2 and V2 through an adiabatic process. If p2 = 60 atm, what is V2?

    asked by Riley
  118. math

    which is the best estimate for (6.3x10-2) (9.9x10-3) written in scientific natation

    asked by mary
  119. Physics

    Your are sitting in your car, which is standing at the side of the road with the engine idling. In the rearview mirror, you see one of your class mates approaching on a bicycle on the sidewalk. The moment the other student passes you, you start

    asked by Anonymous
  120. Science Help!

    3. Using coal for fuel releases pollution into the atmosphere. Why do people continue to use coal if it causes pollution? A. Using more coal reduces the amount of pollution from using oil B. Using coal is relatively inexpensive. C. Mining coal helps

    asked by Jonathan
  121. Physics

    You throw a ball straight into the air from a height of 4 feet and with a speed of 8.22 m/s. The moment the ball leaves your hand you start running away at a speed of 3.36 m/s. How far are you from the ball, the moment it hits the ground?

    asked by Anonymous
  122. Science

    During the process of photosynthesis, plants convert carbon dioxide and water into glucose. Covalent bonds hold the glucose molecules together. The breaking of the covalent bonds during digestion releases energy. the type of energy released is A.nuclear

    asked by hafsah
  123. Physics

    A 1500-kg car moving north at 27.0 m/s is struck by a 2165-kg car moving east at 13.0 m/s. The cars are stuck together. How fast and in what direction do they move immediately after the collision? 1. Degree north of east? 2. M/S?

    asked by Sean
  124. Writing Evaluation (Writeacher!)

    What do you think? Do these paragraphs require any improvements? What do you suggest? 1. Write a paragraph discussing the courage demonstrated by Martin Luther King Jr. What I have written: Throughout the nation, Martin Luther King, Jr. is remembered as a

    asked by Anonymous
  125. Science

    1. A corn plant over the course of a summer can weigh 500 grams (dry biomass, after removing the water), yet it starts from a seed that weighs less than 1 gram. What is the primary source of this increased mass? What process(es) are responsible for the

    asked by Anonymous
  126. physics

    a 50-N force is directed at an angle of 50 degrees above the horizontal. resolve this force into vertical and horizontal components.

    asked by lee
  127. short physics question

    What is the significance of the fact that both the horizontal force and motion are both forwards?

    asked by Diane
  128. Science

    What are Antibiotics?

    asked by Sarah
  129. Physics

    Damon, this is my last question for today for you. Thanks for all your help. A gas is at an initial pressure of 1.24104 Pa and occupies a volume of 0.28 m3. The (slow) addition of 23,570 cal of heat to the system causes it to expand in an isobaric manner

    asked by Riley
  130. pre calculus

    determine the order of magnitude for the following: 1. a $1 bill and a dime 2. two products scored a PH level of 6.1 and 4.o I can't figure out #1… but I did get #2 to be 10^2.1 Please help with #1 and check to see I did #2 right?

    asked by Anonymous
  131. Art ~ Goya & His Painting

    What message was goya trying to send when he painted the family of King Carlos IV?

    asked by Sandy
  132. Physics

    A car is speeding up in the forward direction on a level road. a. The frictional force acting from the road on the tires is pointed forward. b. The frictional force acting from the road on the tires is pointed backward. c. There is not enough information

    asked by Rachel
  133. Writing Evaluation (Writeacher!)

    What do you think? Does this paragraph require any improvements? What do you suggest? Should I include more? Write a paragraph describing Rosa Park's courage. What I have written: Rosa Parks was an African-American woman who, at the age of 42, had the

    asked by Anonymous
  134. Physics

    You throw a ball straight into the air from a height of 4 feet and with a speed of 8.22 m/s. The moment the ball leaves your hand you start running away at a speed of 3.36 m/s. How far are you from the ball, the moment it hits the ground? (what are the

    asked by Mel
  135. physics

    A 350 g block is attached to a vertical spring whose stiffness constant is 12 N/m . The block is released at the position where the spring is unextended. a) What is the maximum extension of the spring? b)How long does it take the block to reach the lowest

    asked by Az
  136. physics

    A 350 g block is attached to a vertical spring whose stiffness constant is 12 N/m . The block is released at the position where the spring is unextended. a) What is the maximum extension of the spring? b)How long does it take the block to reach the lowest

    asked by Az
  137. Physics

    After having collected samples along the shore all day long, a marine biologist walks back to her campsite, 3.02 km away. Her dog runs ahead, at twice the speed, reaches the campground and turns around until it meets her again. Then, the dog proceeds to

    asked by Mel
  138. physics: waves

    A simple pendulum of length 1 m is released when it makes an angle of 6 degrees with the vertical. Find: a) The speed at the lowest point; b)If the mass of the bob is 260 g, what is the total energy? Thank You

    asked by Asp
  139. physics

    A 350 g block is attached to a vertical spring whose stiffness constant is 12 N/m . The block is released at the position where the spring is unextended. a) What is the maximum extension of the spring? b)How long does it take the block to reach the lowest

    asked by Az
  140. HISTORY (please help)

    3. By the end of the thirteenth century, the institutionalization of the English Parliament: A. provided the foundation for the absolute rule of the monarch. B. enabled the barons and church lords to establish themselves in the House of Commons. C. was a

    asked by Any
  141. Physics

    You throw a ball straight into the air from a height of 4 feet and with a speed of 8.22 m/s. The moment the ball leaves your hand you start running away at a speed of 3.36 m/s. How far are you from the ball, the moment it hits the ground?

    asked by Anonymous
  142. Physics 1

    A criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 5.0 m/s, hoping to land on the roof of an adjacent building. Air resistance is negligible. The horizontal distance between the two buildings is D, and the roof of the

    asked by anonymous
  143. physics

    A 350 g block is attached to a vertical spring whose stiffness constant is 12 N/m . The block is released at the position where the spring is unextended. a) What is the maximum extension of the spring? b)How long does it take the block to reach the lowest

    asked by Az
  144. physics

    Find the pottential energy of a boy of mass 10kg standing on a building floor 10 meters above the ground level p.e?

    asked by Salisu
  145. Physics 1

    On a spacecraft, two engines are turned on for 910 s at a moment when the velocity of the craft has x and y components of v0x = 5710 m/s and v0y = 7490 m/s. While the engines are firing, the craft undergoes a displacement that has components of x = 5.78 x

    asked by anonymous
  146. math2

    If you have a line plot with a bag of nuts(in pounds) and there is 1/8 on the graph with 8 x marks on of it bags, 1/4 with 4 x on top of it bags, and 1/2 with 4 x marks on top of it bags. The question goes as follow, Amy filled bags with nuts. She weighed

    asked by jenn B
  147. algebra

    suppose that the function f(x)=3x+10 represents the cost to rent x movies a month from an internet movie club john now has 10 dollars how much more money does john need to rent 5 movies next month?

    asked by jeri
  148. History8

    During the battle of San Jacinto, Texans fought for their independence from Mexico. true? Stephen Austin, son of Mosses Austin brought settlers to Texas. The settlers can be characterized by all of the following except a.300 families settled in Texas b.The

    asked by ilikezackalot
  149. Math

    I need help with this really bad. At West Middle School, 30% of students have a dog, 20% of students have a cat, 10% of students have another kind of pet, and 40% of students have no pets. a) Explain how you can use a random-number table to find the

    asked by Babatunde
  150. Physics 1

    Suppose the water at the top of Niagara Falls has a horizontal speed of 2.59 m/s just before it cascades over the edge of the falls. At what vertical distance below the edge does the velocity vector of the water point downward at a 67.9 ° angle below the

    asked by anonymous
  151. Physic

    A boy of mass 50kg runs up a set of stress of total height 3.0m. Find the work done against gravity

    asked by Commerade
  152. physics

    A soccer player kicks the ball toward a goal that is 15.0 m in front of him. The ball leaves his foot at a speed of 17.1 m/s and an angle of 35.0 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net.

    asked by anonymous
  153. Math

    Mona opened a savings account with a $500 deposit and a simple interest rate of 5.6%. If there were no deposits or withdrawals, how much money is in the account after 8/1/2  years

    asked by maggie
  154. Math

    Really stuck on this question not sure where im going wrong a trapezium with top and bottom sides paralell. With a diagonal line running from the top left to the bootom right hand corner splitting the trapez into two triangles. the top left corner angle is

    asked by Evie
  155. Physics

    You throw a ball straight into the air from a height of 4 feet and with a speed of 8.22 m/s. The moment the ball leaves your hand you start running away at a speed of 3.36 m/s. How far are you from the ball, the moment it hits the ground?

    asked by PLEASE HELP!!!!!
  156. physics

    A criminal is escaping across a rooftop and runs off the roof horizontally at a speed of 5.0 m/s, hoping to land on the roof of an adjacent building. Air resistance is negligible. The horizontal distance between the two buildings is D, and the roof of the

    asked by anonymous
  157. physics

    Each tire of an automobile has an area of 0.026 m^2 in contact with the ground. The weight of the automobile is 26,000 N. What is the pressure in the tires?

    asked by barbara ann
  158. physics

    A soccer player kicks the ball toward a goal that is 15.0 m in front of him. The ball leaves his foot at a speed of 17.1 m/s and an angle of 35.0 ° above the ground. Find the speed of the ball when the goalie catches it in front of the net.

    asked by anonymous
  159. Bio

    Household ammonia has a pH of 11, therefore its H+ concentration is how many times less than a solution with a pH of 7?

    asked by Ananymous
  160. physics

    The three displacement vectors in the drawing have magnitudes of A = 5.73 m, B = 6.48 m, and C = 3.12 m. Find the resultant ((a) magnitude and (b) directional angle) of the three vectors by means of the component method. Express the directional angle as an

    asked by anonymous
  161. chemistry

    how many calories are needed to convert 20.0g of water at 25 Celsius to steam at 100 Celsius?

    asked by Anonymous
  162. physics

    On a spacecraft, two engines are turned on for 910 s at a moment when the velocity of the craft has x and y components of v0x = 5710 m/s and v0y = 7490 m/s. While the engines are firing, the craft undergoes a displacement that has components of x = 5.78 x

    asked by anonymous
  163. mah

    When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years.

    asked by maggie
  164. ms.sue help!!! (math )

    hi im doing surface area I wondering how do you get the answer . this is the question Find the total surface area of a rectangular prism having dimension 1) 45cm by 30cm by 20cm

    asked by rian
  165. math

    When Melissa was born, her parents put $8,000 into a college fund account that earned 9% simple interest. Find the total amount in the account after 18 years.

    asked by maggie
  166. Physics

    A hockey puck is hit on a frozen lake and starts moving with a speed of 12.2 m/s. Ex- actly 6.70 s later, its speed is 6.20 m/s. The acceleration of gravity is 9.81 m/s2 . a) What is its average acceleration? Answer in units of m/s2

    asked by Charlie
  167. Social Studies (Ms. Sue)

    What does Dr. King mean by "the American dream" in his "I Have a Dream" speech?

    asked by Anonymous
  168. marketing

    should target markets be large and spread out

    asked by mariah
  169. physics

    A 750 kg rocket accelerates straight upward from the ground at 60 m/s2. What is the force (thrust) provided by the engine? with a gravitational pull of 10 m/s2 down

    asked by Troy
  170. Essay Key Points

    So for school I have to write an essay over rock climbing, what are some key points that I should include in my essay? I am not asking anyone to write it or form any sentences, etc.,all I am asking is for some key ideas I could use, greatly appreciated,

    asked by ilikezackalot
  171. Math

    $99 watch with a 40% discount. I got $247.50 and $39.6 but that's not right.

    asked by Navpreet
  172. Math 3rd grade

    2-Eric and Frank want to equally share 4/3 feet of rope. what length of rope should each friend get? Explain how to use a drawing to help solve the problem.

    asked by Lina
  173. math

    Ms. Jacobs is planning to put a fence around a rectangular part of her yard. She wants the area of the yard inside the fence to be 216 square feet. The fenced part of her yard has a length of 18 feet. Ms. Jacobs wants to put a 3-foot iron gate on one side

    asked by treshia
  174. Research Report

    I'm doing a research report about the Stonehenge. My thesis is that even though the Stonehenge is so mysterious, it is still a wonderful piece of history. Currently, I'm writing the outline, and this asks me to write topic sentences for each of my three

    asked by Anonymous
  175. phsyics

    A jogger accelerates from rest to 3.65 m/s in 3.46 s. A car accelerates from 24.0 to 40.1 m/s also in 3.46 s. (a) Find the magnitude of the acceleration of the jogger. (b) Determine the magnitude of the acceleration of the car. (c) How much further does

    asked by kyle
  176. physics

    The Space Shuttle travels at a speed of about 5.05 x 103 m/s. The blink of an astronaut's eye lasts about 94.4 ms. How many football fields (length = 91.4 m) does the Space Shuttle cover in the blink of an eye?

    asked by kyle
  177. math

    in a lab experiment 8 grams of acid were produced in 28 minutes and 17 grams in 47 minutes. Let g be the number of grams and m be the number of minutes. Find a linear equation that you could use to calculate g for any number of minutes

    asked by Anonymous
  178. Physics

    A golf ball is hit with an initial velocity of 15 meters per second at an angle of 35 degrees above the horizontal. What is the vertical component of the golf ball's initial velocity? a)8.6 m/s b)9.8 m/s c)12 m/s d)15 m/s I know you use 15cos 35 feta to

    asked by Jenna
  179. Physics

    A 298.0 kg block of ice at 0 C is placed in a large lake. The temperature of the lake is just slightly higher than 0 C, and the ice melts. What is the entropy change of the ice (in kJ/K)? What is the entropy change of the lake (in kJ/K)? What is the

    asked by Kimmy
  180. Physics

    Two equal-volume compartments of a box are joined by a thin wall as shown in the figure. The left compartment is filled with 0.050 mole of helium gas at 403 K, and the right compartment contains 0.025 mole of helium gas at 213 K. The right compartment also

    asked by Lyra
  181. World geo help

    Which country Is the only one found in the Western Hemisphere for the worlds worst dictator? Which country is the only one found in Europe for the worlds worst dictator? How many countries in Asia have a worst dictator? Which part of Africa has the most

    asked by Anonymous
  182. Check my Essay: Rock Climbing

    Rock Climbing Rock Climbing can be a tough sport, indoors or outdoors, but it can also be fun and adventurous. If you do not have the proper knowledge of clothing/equipment and techniques, then maybe rock climbing isn’t for you. Rock climbing can be

    asked by ilikezackalot
  183. physics

    A 62.9 kg diver steps off a diving board and drops straight down into the water. The water provides an upward average net force 1350 N. If the diver comes to rest 4.3 m below the water's surface, what is the total distance between the diving board and the

    asked by Anonymous
  184. English

    How do you write a thesis statement that doesn't sound like a roadmap. My teacher wants us to have a hook, which I have, then a thesis, and then the roadmap. I don't know how to write a thesis that doesn't sound like the roadmap.

    asked by Jane
  185. Physics

    Consider hydrogen gas, H2, at 24.3°C. What percentage of hydrogen molecules have a speed within 1.00 m/s of the most probable speed?

    asked by Lyra
  186. math2

    If you can please answer that question from 5:08 thanks

    asked by jenn B
  187. history

    what type of government would J.K. Rowling be in? what type of government would mao tse-tung be in? what type of government would William r. bowon be in? what type of government would Theodore Roosevelt be in?

    asked by Anonymous
  188. Check essay, I added a little to it, thankies :)

    Rock Climbing can be a tough sport, indoors or outdoors, but it can also be fun and adventurous. If you do not have the proper knowledge of clothing/equipment and techniques, then maybe rock climbing isn’t for you. Rock climbing can be joyful, but for it

    asked by ilikezackalot
  189. reading

    Stranger by Albert Camus considered a class book because of morality, effective language, truthfulness, universality, and/ or timelessness

    asked by anonymous
  190. Science

    whats the whole idea of gearing up and/or down in robotics? (someone mentioned it's like stick shift-but I don't drive so...) when is it each one?

    asked by Nicole
  191. English

    Would this be a good thesis to a paper about someone's life? Even though Karlee has a big interest in farming, she wants to take her life in a slightly different direction.

    asked by Jane
  192. Chem.

    How many milliliters of water has been dispensed if the initial buret reading was 0.38 ml and the final is 24.70 ml?

    asked by John
  193. algebra

    find an equation in point-slope form for the line having the specified slope and containing the point indicated. m=-2/3,(5,0)

    asked by Boo
  194. Algebra

    equation in slope-intercept form y=-9/10x-5

    asked by Boo
  195. Algebra

    By 1PM Shani had already shoveled 2 driveways, and by 6PM that day, the number was up to 7. A) Find Shani's average shoveling rate, in number of driveways per hour. B) Find Shani's shoveling rate, in hours per driveway.

    asked by Boo
  196. Physics D

    A 1500-kg car moving north at 27.0 m/s is struck by a 2165-kg car moving east at 13.0 m/s. The cars are stuck together. How fast and in what direction do they move immediately after the collision? 1. what is the degree north of east? 2. how was do they

    asked by Adam
  197. Algebra

    Value of computer software The value v of a shopkeeper's inventory software program, in hundred of dollars, is given by v=-3/4t+6, where t is the number of years since the shopkeeper first bought the program. Graph the equation and use the graph to

    asked by Boo
  198. english

    WhAt Is SoMeThInG YoU ReGrEt DoInG? ItS FoR A NarRaTiVe EsSaY ((-:

    asked by Anonymous
  199. Business/ Computers

    Hello I'm doing a powerpoint on the history of computers for business but I just have to look for people. Do you mind giving me a website that would be perfect to find all these people? 1. Blaise Pascal 2. Wilhelm Schickard 3. Christopher Sholes 4. George

    asked by anon
  200. English

    How do you write a narrative essay about something you regret doing when you have no regrets? lmao

    asked by Ashley
  201. Physics

    A 1.40 kg skateboard is coasting along the pavement at a speed of 5.5 m/s when a 0.800 kg cat drops from a tree vertically downward onto the skateboard. What is the speed of the skateboard-cat combination.

    asked by Jessica
  202. MAth

    Line plot Amy filled bags with nuts. She weighed the bags and made a line plot to show how much each bag weighed. If there are is 1/8 on the line plot with 8 x marks above it, 1/4 on the plot with 4 x marks above it, and 1/2 with 4 x marks above it? How

    asked by Jenny plus
  203. Algebra 2

    Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13

    asked by Jane
  204. Math

    1. The movie theater has 21 cups of popcorn. Each container they sell holds 3/4 cup of popcorn. How many containers can the theater sell before they need to get more popcorn? My answer is 28 containers.. 2. A sixth of the vegetable plants in a garden are

    asked by Khrys
  205. math

    the number 2008 can be written as a sum of consecutive integers such that the number of terms in the sum is twice the number of factors of 2008. Find the smallest of three consecutive integers.

    asked by tiffani
  206. Math

    Beth got a job painting dorm rooms at her college. At top speed, she could paint 5 identical rooms during one 6-hour shift. How long did she take to paint each room? A. 50 minutes B. 1 hour and 10 minutes C. 1 hour and 12 minutes D. 1 hour and 15 minutes

    asked by Anonymous
  207. Math

    John has 18 coins worth $1.25. Some are nickels and dimes. How many of each does he have?

    asked by Jessica
  208. math

    DANA IS PLANNING TO RUN 1 TENTH OF A MILE EVERY DAY FOR 8 DAYS,WHAT PART OF A MILE WILL SHE HAVE RUN AT THE END OF THE EIGHTH DAY?

    asked by Anonymous
  209. Math

    Xyz rents a car for $45 and .25 per mile. Cloud rents a car for $35 and .30 per mile. How many miles would a driver need to drive before the cost of renting a car at xyz and cloud be the same

    asked by Maria
  210. Math

    System of equations 1). 2/5x + 5/6y=6 Y/3=x/2+9. 2).4x+2=3y+5 2y-1=x+2 These are my last two problems and I can t get it Thanks for the help

    asked by Alena grace
  211. chemistry

    What physical properties of calcium chloride, citric acid, sodium iodide, potassium iodide, and sucrose have in common?

    asked by ashley
  212. Physics

    An object at rest accelerates through a distance of 1.5 m at which point the instantaneous velocity of the object is 3.5m/s. Determine: a. The average acceleration of the object b. The time it took the object to travel 1.5m c. The average velocity of the

    asked by Tim
  213. Physics

    An airplane moves away from a stationary observer at 125 m/s and emits a frequency of 595 Hz on a day where the temperature is 25.0°C. What frequency does the observer hear?

    asked by Lisa
  214. math

    how many pounds of peanuts that sell for $2 a pound must be mixed with six pounds of cashew nuts that sell for$4 a pound to get a mixture that can sell for $2.50 a pound?

    asked by lance cox
  215. Physics

    Two point charges of 8.7×10−6 C, on the left, and −2.7×10−6 C, directly to its right, are separated by 0.071 m. Find the electrostatic force acting on the charge on the left. A force to the right is taken as positive, while one directed to the left

    asked by Anonymous
  216. Math

    Chad buys peanuts in 2 pound bags he repackages them into bags that hold 5/6 pounds of peanuts how many 2 pound bags of peanuts Should Chad by so that he can fill the 5/6 pound bags without having any peanuts leftover

    asked by Jordan
  217. Algebra 1 (Reiny)

    Simplify. 2^2 x 3^4 x 4^4/2^9 x 3^5 My answer: 256/384?

    asked by Anonymous
  218. Physics

    A small washer is taped to a golf ball and the ball is hung from an electromagnet. When a trigger is activated the electromagnet will shut off and the golf ball will fall through a height of 75 cm to land on a time of flight pad. Determine the amount of

    asked by Tim
  219. math

    A punch recipe calls for half gallon (64 oz) of punch requires one pint (16 oz) of grape juice. How many quarts (1 qt = 32 oz) of grape juice are required for 2 1/2 gallons of punch?

    asked by Anonymous
  220. Math

    A pair of belted pulleys have diameters of 20 inch and 16 inch respectively.If the larger pulley turns at 2000 rpm, how fast will the smaller pulley turn.

    asked by Chelsey
  221. Physics

    An object at rest accelerates through a distance of 1.5 m at which point the instantaneous velocity of the object is 3.5m/s. Determine: a. The average acceleration of the object b. The time it took the object to travel 1.5m c. The average velocity of the

    asked by Mason
  222. Algebra 2

    Can someone please check my answers? A card is randomly drawn from a standard deck of 52 cards. Find the probability of drawing the indicated card. 1.Not an ace. =12/13 2.A face card and a four. =4/13 3.A heart or a diamond. =1/2 4.A six or a seven. = 2/13

    asked by Jane
  223. math

    a drinking glass 5 inches tall has a 2.5 inch diameter base. its sides slope upward at a 4 degree angle. what is the diameter of the top of the glass?

    asked by john
  224. Physical

    A 0.140-kg baseball traveling 38.0m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils backward 15.0cm .What was the average force applied by the ball on the glove?

    asked by Yang
  225. Chemistry

    A 0.960mol quantity of Br2 is added to a 1.00 L reaction vessel that contains 1.23mol of H2 gas at 1000 K. What are the partial pressures of H2, Br2, and HBr at equilibrium? At 1000 K, Kp=2.1×106 and ΔH∘ = -101.7 kJ for the reaction

    asked by Myles Tan
  226. English essay

    For significant impact, How can place (i chose house) can shaped you?How can it changed your identity? I NEED JUST IDEAS TO BEGIN MY ESSAY.

    asked by jessina
  227. science

    A solutuion is prepared by adding 40 grams of NaC1 to 100 grams of water at 80 degrees Celcius. Describe this solution.

    asked by roy
  228. Algebra 1 (Reiny)

    Simplify. y^10/y My answer: 1.

    asked by Anonymous
  229. math

    How to do data, picture, equation and result for a problem

    asked by sara
  230. physics

    How do I calculate the radial acceleration in g's? For example: Calculate the radial acceleration (in g’s) of an object on the ground at the earth's equator, turning with the planet. Earth's radius is 6380 km.

    asked by D
  231. physics

    A 8.95 μC point charge is glued down on a horizontal frictionless table on the right. If is tied to a -6.35 μC point charge by a light nonconducting wire with length 2.5 cm on the left. The charges are placed in a external, uniform electric field with

    asked by Anonymous
  232. finace

    St. Luke’s Convalescent Center has $200,000 in surplus funds that it wishes to invest in marketable securities. If transaction costs to buy and sell the securities are $2,200 and the securities will be held for three months, what required annual yield

    asked by Anonymous
  233. physics

    Two boys want to pull a car. One of them exerts a force of 200 N toward West. The other a force of 150 N toward south. What is the net force exerted on the car? (Assume friction to be negligible.)

    asked by Andy
  234. physics

    A car travels 3.0km due west and then 2.0km to the north. Find the magnitude and direction of the car’s resultant displacement?

    asked by Andy
  235. Physics Please check my answers

    1. Complete reflection is the special case of refraction at an angle of 180. True. False. 2. A resonant frequency is the same as a natural frequency. True. False. 3. For a standing wave, the number of segments is an integer equal to the number of

    asked by Chelsea
  236. jacobs

    A charity carnival requires three volunteer workers for each booth. If the carnival has 29 booths, how many volunteers must be requited

    asked by pat
  237. math

    in an AP the 10th term is 54 and 5th term is 4 times the 2nd term . Find the 1st term 'a' and common difference 'd'

    asked by jomon
  238. Algebra/Geometry

    Identify the sequence of transformations that maps quadrilateral abcd onto quadrilateral a"b"c"d" Answers 180 rotation around the origin; reflection over the x-axis translation (x,y) -> (x - 2, y + 0); reflection over the line x = -1 enlargement;

    asked by A Girl
  239. physical science

    Explain using newtons first law why traveling car using a rope is dangerous compared using a steel car

    asked by bohlale
  240. physics

    Calculate the pressure exerted on the floor by the heel if it has an area of 1.45 cm2 and the woman's mass is 58.0 kg. Express the force in N/m2 and lb/in

    asked by ken
  241. science

    A ball weighing 1.78 N is shot through a launcher,achieving a speed (from rest) of 41 m/s in 0.28s. What is the mass of the ball.

    asked by kim
  242. math

    Shelby is organizing her 30 ribbons she won for competitions. She has twice as many first- place ribbons as she does second place ribbons. How many first-place ribbons does Shelby have?

    asked by Jake