Questions Asked on
November 1, 2013

  1. Science

    If you wanted to consult the geologic period for when the first vertebrates evolved, where would you look? a. in the section for the Ordovician period of the Paleozoic era. b. in the section for the Quaternary period of the Cenozoic era. c. in the section

    asked by Anonymous
  2. chemistry

    Write the balanced equation for the hydration of CuSO4. Indicate the physical states using the abbreviations (s), (l), or (g) for solid, liquid, or gas, respectively. Use (aq) to indicate the aqueous phase. Indicate appropriate charges on negative and

    asked by rose
  3. phyics

    A person is standing on a level floor. His head, upper torso, arms, and hands together weigh 470 N and have a center of gravity that is 1.13 m above the floor. His upper legs weigh 108 N and have a center of gravity that is 0.755 m above the floor.

    asked by bobby
  4. math

    Alice plays basketball. In one game she shoots 23 free throws and makes 81.25% of theme. Estimate how many free throws she makes.

    asked by Jasmine
  5. Science

    If you wanted to consult the geologic period for when the first vertebrates evolved, where would you look? a. in the section for the Ordovician period of the Paleozoic era. b. in the section for the Quaternary period of the Cenozoic era. c. in the section

    asked by Anonymous
  6. physics

    13. A generator produces 100 kW of power at a potential difference of 10 kV. The power is transmitted through cables of total resistance 5. How much power is dissipated in the cables? A. 50 W B. 250 W C. 500 W D. 1000 W E. 50000 W

    asked by shanza
  7. Math

    in a relationship between variable called that changes in response to another variable? function input function independent variable dependent variable (my choice)

    asked by sam
  8. Earth Science PLZ HELP

    Based on what you have discovered, which of the following conditions would lead to the formation of clouds? 1. Moist air moves up as it encounters a mountain range. 2. High pressure is moving into an area. 3. The air over a large parking lot is warmer in

    asked by Anonymous
  9. chemistry

    Write a balanced equation for the dissociation of Mg(NO3)2. I wrote Mg(NO3)^2(s)==>Mg^2+(aq)+NO3^3-(aq) That isn't the answer in the book. Can someone explain to me how dissociation works?

    asked by rose
  10. Medical Billing & Coding

    This 65-year-old chronic cigarette smoker for the past 40 years was admitted to the hospital with acute exacerbation of her chronic obstructive pulmonary disease. She has a history of anxiety syndrome due to hypothyrodism, and it maintained on medications

    asked by Arlene
  11. Medical Billing and Coding

    This is a 71-year-old female admitted with a complaint of right-sided weakness. She denies any fever, shortness of breath, cough, headaches, or chest pain. Patient has NIDDM, controlled by diet. Patient currently smokes. Mild right-sided paralysis was

    asked by Lisa
  12. phyics

    You are installing a new spark plug in your car, and the manual specifies that it be tightened to a torque that has a magnitude of 65 N·m. Using the data in the figure, determine the magnitude F of the force that you must exert on the wrench.

    asked by bobby
  13. Medical Billing and Coding

    This 65-year-old chronic cigarette smoker for the past 40 years was admitted to the hospital with acute exacerbation of her chronic obstructive pulmonary disease. She has a hsitory of anxiety syndrome due to hypothyroidism, and is maintained on medications

    asked by Lisa
  14. chemistry

    Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions. a) If connected as voltaic cells in series, which two metals are plated, and what is the total potential?

    asked by nerdy
  15. chemistry

    the following is a redox reaction. show which element(s) are oxidized and reduced. include how many total electrons are gained or lost by each element. 3HNO---->HNO3+H2O+2NO

    asked by Nisha
  16. Medical Billing and Coding

    This 19-year-old college student was brought tot he ER and admitted with high fever, stiff neck, chest pain, cough, and nausea. A lumbar puncture was performed, and results were positive for meningitis. Chest x-ray revealed pneumonia. Sputum clutures grew

    asked by Arlene
  17. Health (Ms. Sue)

    1). Why do you think people often do not consider online sexual harassment a real from of abuse? A: I believe people do not consider online sexual harassment as a true form of abuse because, technically, it isn't physically occurring them. 2). What

    asked by Anonymous
  18. Organic Chemistry

    3.What would be the major product if 1,4-dibromo-4-methylpentane was allowed to react with: a)One equivalent of NaI in acetone? b)One equivalent of Silver Nitrate in ethanol?

    asked by ANNA
  19. math

    Ursula works at a print shop. She uses a printer that can print 12 pages per minute. Yesterday she started printing flyers for an order. Today at 8 a.m. she continued working on the order, and by 9 a.m. she had 420 flyers for the order completed. Write an

    asked by Anonymous
  20. Health (Ms. Sue)

    Why do you think abused children often have trouble making friends?

    asked by Anonymous
  21. Chem

    assuming that core electrons contribute 1.00 and valence electrons contribute nothing to the screening constant, S, calculate Zeff for Cl and K.

    asked by Mrs. Brisco
  22. math

    a 13 ft ladder is placed against a vertical wall of a building, with the bottom of the ladder stand on level ground 5ft from the base of the building. how high up the wall does the ladder reach.

    asked by pam
  23. chemistry

    A certain rifle bullet has a mass of 6.45 g. Calculate the de Broglie wavelength of the bullet traveling at 1817 miles per hour.

    asked by brianna
  24. science

    20. Using an example, explain how being able to understand scientific principles and think scientifically can help you solve problems and answer questions in your everyday life. Can you help me Ms. Sue?

    asked by anonymous
  25. Physics

    A crowbar is 4.000 metres long and has its pivot 50.000 centimetres from one end. A force of 2000.000 newtons is applied to the end closest to the pivot. What effort must be applied to the other end of the crowbar to keep it in equilibrium? (Round to 3

    asked by Tom
  26. Medical Billing and Coding

    The patient was admitted with increasing shortness of breath, weakness, and nonproductive cough. Treatment included oxygen therapy. Final diagnoses listed as acute respiratory insufficiency and acute exacerbation of chronic obstructive pulmonary disease

    asked by Lisa
  27. phyics

    The figure shows a person whose weight is W = 500 N doing push-ups. Find the normal force exerted by the floor on (a) each hand and (b) each foot, assuming that the person holds this position.

    asked by bobby
  28. Math

    The base of a triangle is 8cm greater than the height . The area is 24cm^2. The height is what and the base is what?

    asked by Pam
  29. Calculus-Newton Method Approximation

    Use Newton's method to approximate the positive value of x which satisfies x=2.3cosx Let x0=1 be the initial approximation. Find the next two approximations, x_1 and x2, to four decimal places each.

    asked by Liz
  30. Physics(IMPORTANT)

    Two skaters of mass m1=50kg and m2=70kg are standing motionless on a horizontal ice surface. They are initially a distance L=7.0 meters apart. They hold a massless rope between them. After pulling the rope, the skater of mass m1 has moved a distance l=2.0

    asked by keitanako
  31. Chemistry

    For the titration of hcl versus NaOh, suggest a better indicator than methyl orange. Why is methyl orange not the ideal choice for this application?

    asked by Hol
  32. world history

    Which of the following is not something Napoleon did to help France wage war and win territory? A. He relied on the mandatory military service of French citizen-soldiers. B. He improved schools and the postal service. C. He raised soldiers from conquered

    asked by Ally
  33. science HELP

    What role does pressure play in the formation of the clouds?

    asked by Anonymous
  34. algebra

    A car travels down the highway at speeds between 50 miles per hour and 65 miles per hour. If the car travels for 4 hours, write an expression that represents the distance, d, the car has travelled.

    asked by lala
  35. accounting

    Jane and Walt form Orange Corporation. Jane transfers equipment worth $475,000 (basis of $100,000) and cash of $25,000 to Orange Corporation for 50% of its stock. Walt transfers a building and land worth $525,000 (basis of $200,000) for 50% of Orange’s

    asked by Anonymous
  36. Health (Ms. Sue)

    Describe three facts about sexual assault and rape. A: A fact about sexual assault and rape is that, while some people believe that sexual assault and rape are committed by strangers, about 80 percent of victims of sexual assault and rape know of their

    asked by Anonymous
  37. Math

    How Do I do this on my calculator? im so confused.. Archers need to use arrows that do not bend easily. The table shows how the weight of an arrow affects its spine,or the distance the center of the arrow bends when a certain constant weight is attached.

    asked by cheesecake:)
  38. World History

    Which one of the following would be the best example of two ancient civilizations interacting with each other? A) Jericho trading with Ur B) Catal Huyuk trading with Constantinople C) Jerusalem trading with Tenochtitlan D) Phoenicians trading with

    asked by Anonymous
  39. physics(IMPORTANT)

    Two skaters of mass m1=50 kg and m2=70 kg are standing motionless on a horizontal ice surface. They are initially a distance L= 8.0 meters apart. They hold a massless rope between them. After pulling the rope, the skater of mass m1 has moved a distance l=

    asked by anonymous
  40. Math

    7. The ratio of an object's weight on Earth to its weight on Neptune is 5 : 7. How much would a person who weighs 150 pounds on Earth weigh on Neptune? A. 170 pounds B. 107 1/7 pounds C. 750 pounds D. 210 pounds I answered D, because I took 150 pounds and

    asked by Cassie
  41. world history

    Which of the following is not something Napoleon did to help France wage war and win territory? A. He relied on the mandatory military service of French citizen-soldiers. B. He improved schools and the postal service. C. He raised soldiers from conquered

    asked by Ally
  42. Math

    A rectangular table is six times as long as it is wide. If the area is 96ft^2, find the length and the width of the table

    asked by Pam
  43. Math

    " kelly has twelve cards numbered 1 to 12. what is the probability of picking three even-numbered cards consecutively, if the first two cards are not replaced?

    asked by Elizabeth
  44. world history

    Which of the following is not something Napoleon did to help France wage war and win territory? A. He relied on the mandatory military service of French citizen-soldiers. B. He improved schools and the postal service. C. He raised soldiers from conquered

    asked by Ally
  45. chemistry

    If the thyroid test requires 3.2mCi in an "atomic cocktail," how many milliliters are used to prepare the iodine-131 solution?

    asked by mona
  46. phyics

    The steering wheel of a car has a radius of 0.19 m, and the steering wheel of a truck has a radius of 0.26 m. The same force is applied in the same direction to each steering wheel. What is the ratio of the torque produced by this force in the truck to the

    asked by bobby
  47. physics

    An iron rod has a length of 1000 meters (or 1 km) at 0 degrees Celsius. If the rod must expand 10 cm to bridge a gap, to what temperature must the rod be heated?

    asked by chris
  48. Math

    A coin is loaded in such way that a tail is three times as likely to occur as a head. If the coin is flipped twice. Find the probability that two heads occur

    asked by Elizabeth
  49. math

    The rectangular prism shown has a volume of 72 m3. This prism is enlarged using a scale factor of 3. What is the volume of the enlarged prism?

    asked by Anonymous
  50. chemistry

    Assuming that the smallest measurable wavelength in an experiment is 0.990 fm (femtometers), what is the maximum mass of an object traveling at 269 m·s–1 for which the de Broglie wavelength is observable?

    asked by brianna
  51. physics(URGENT)

    A small object of mass m= 30 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. What is the magnitude of the force (in Newton) exerted by the dome on the mass

    asked by leonard
  52. Medical Billing & Coding

    This patient was admitted when MRI revealed cerebral aneurysm. After admission, a cerebral angiogram was performed and showed nonruptured arteriosclerotic aneurysm of the anterior cerebral artery. An aneurysmectomy by anastomosis was performed using Marlex

    asked by Marcelo
  53. physics

    A package of mass 9 kg sits at the equator of an airless asteroid of mass 4.0 1020 kg and radius 4.9 105 m. We want to launch the package in such a way that it will never come back, and when it is very far from the asteroid it will be traveling with speed

    asked by Jaden
  54. science

    Why do you think the presence of smoke contributed to cloud formation?

    asked by Mary Ann
  55. math

    an architect has allocated a rectangular space of 325ft^2 for a square dining room and a 12ft wide kitchen. find bothy the width of the square dining room and the length of the entire rectangular space.

    asked by pam
  56. physics

    An iron rod(a=11.8x10-6 C-1) has a length of 1000 meters (or 1 km) at 0 degrees Celsius. If the rod must expand 10 cm to bridge a gap, to what temperature must the rod be heated?

    asked by chris
  57. Math-Algebra

    4-3| m+2 |>-14 The answer shows -8 < m < 4, but I am not getting it. Could someone please explain?

    asked by Anonymous
  58. Physics

    A player kicks a football from the ground at an angle of 42 degrees above the horizontal with an initial speed of 23m/s. a. How high will the ball rise? b. How long will it be in the air? c. What will be its range?

    asked by Tsunayoshi
  59. Physics(IMPORTANT)

    A meteorite of mass 1*10^4kg is approaching head-on a planet of mass 5*10^29kg and radius 5*10^4km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed 3*10^2km/s. Take 6.67*10^-11. Determine the speed of

    asked by keitanako
  60. Physics(IMPORTANT)

    A small ball of mass m=0.60 kg hangs from a massless string of length l=0.9 m. The ball travels in a vertical circle and its speed at the bottom is v0=6.0 m/s (see figure). Neglect all friction and air drag, and use g=10m/s^2 for the gravitational

    asked by keitanako
  61. Electrical Engineering

    Find the latitude at Stanford University using Google Maps to the nearest degree (This is how you do it) and calculate the Air Mass Factor on the autumnal equinox (when the center of the sun is in the same plane as the equator of the earth) at noon (when

    asked by Solar Solar Cells, Fuel Cells and Batteries
  62. physics(help)

    A small object of mass m= 90 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. (See figure) (a) What is the magnitude of the force (in Newtons) exerted by the

    asked by Anonymous
  63. Physics

    A bullet is fired horizontally with a speed of 500 m/s from a height of 1.5 m above the ground toward a target 50m away on the ground. How high should the target be placed to receive the bullet?

    asked by Tsunayoshi
  64. PHYSICS(HELP)

    A meteorite of mass m= 2×10^4 kg is approaching head-on a planet of mass M= 4×10^29 kg and radius R= 2×10^4 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 5×10^2 km/s. Take G=

    asked by Anonymous
  65. Physics

    A boat moves north at a uniform velocity of 15 mph relative to the shore from one side of the river to a point directly opposite on the other side of the river. The water in the river flows east at a constant speed of 5mph parallel to the shore. What is

    asked by Tsunayoshi
  66. Math - Derivatives/Logrithms

    An office machine is purchased for $6000. Under certain assumptions, its salvage value, V, in dollars, is depreciated according to a method called double declining balance, by basically 71% each year, and is given by V(t) = 6000(0.71)^t, where t is the

    asked by Jess
  67. Medical Billing and Coding

    The patient was brought to the ER and then admitted because of acute alcohol inebriation. The diagnosis is acute and chronic alcoholism, continuous. What codes are assigned? ICD-9-CM Diagnosis Code(s) with POA Indicator:________________________ ICD-10-CM

    asked by Lisa
  68. chemistry

    To resolve an object in an electron microscope, the wavelength of the electrons must be close to the diameter of the object. What kinetic energy must the electrons have in order to resolve a protein molecule that is 4.70 nm in diameter? Take the mass of an

    asked by brianna
  69. Chinese

    1)天气损报说明天会下雨, 真冷. 2)我很高我哥哥比较高. 3)我们这个学期不伹上英 文课, 再说还上中文课. There's something wrong with each of these sentences gramatically. What's wrong with them. I can't see

    asked by Alexstraza
  70. science

    Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 4.8-kg projectile from rest to a speed of 3.9 103 m/s. The net force accelerating the projectile is 4.8

    asked by butcha
  71. PHYSICS

    The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 µT. A proton is moving horizontally towards the west in this field with a speed of 6.00 ✕ 106 m/s. What is the radius of the circular arc

    asked by viper
  72. Biology

    The production of a polypeptide involves the correct sequencing of amino acids, originally encoded by a segment of DNA. This code is transcribed onto mRNA and subsequently translated using tRNA. From the following DNA segment, record the base sequence that

    asked by Kathy
  73. Biology

    "Quiglilies" are a rare variety of flower. They have one allele for orange petal colour O. They also have another allele for white petals W. These alleles have a co-dominant relationship producing a yellow petal colour. i) what are the possible genotypes

    asked by Kathy
  74. phyics

    One end of a meter stick is pinned to a table, so the stick can rotate freely in a plane parallel to the tabletop. Two forces, both parallel to the tabletop, are applied to the stick in such a way that the net torque is zero. The first force has a

    asked by bobby
  75. physics

    12. Which of the following statements is correct for a particle moving in a horizontal circle with constant angular velocity? A. The linear momentum is constant but the kinetic energy varies. B. The kinetic energy is constant but the linear momentum

    asked by shanza
  76. Physics(IMPORTANT)

    A small object of mass m= 90 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. (See figure) (a) What is the magnitude of the force (in Newtons) exerted by the

    asked by keitanako
  77. Physics(IMPORTANT)

    An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

    asked by keitanako
  78. Math

    A coin is loaded in such way that a tail is three times as likely to occur as a head. If the coin is flipped twice. Find the probability that two heads occur

    asked by Elizabeth
  79. Accounting

    Montana Company produces basketballs. It incurred the following costs during the year. Direct materials: $14,032 Direct Labor: $25,706 Fixed manufacturing overhead: $9,698 Variable manufacturing overhead: $32,164 Selling Costs: $21,176 What are the total

    asked by Joy
  80. German

    Fill in the blank with the correct pronoun. Antwortest ____ mir nicht? dir dich du ich

    asked by sinclair
  81. Math

    Emory tosses a nickle four times. The probability that he gets at least as many heads as tails is? Explain

    asked by Elizabeth
  82. Physics problem

    An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of

    asked by Sarah
  83. math

    Sarah bought 8 folders and 3 rulers. Lea bought 8 rulers and 3 folders. Sarah paid $1.25 more than Lea. How much was each folder if each ruler was 45 cents?

    asked by jade
  84. statistics

    The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were measured for 10 students in a beginning computer-science course. The results were as follows. (Give your answers correct to two decimal places.)

    asked by statistics student
  85. statistics

    Use the following table to answer the questions. (Give your answers correct to two decimal places.) x 1 1 3 3 5 5 7 7 9 9 y 3 1 3 1 6 3 6 1 4 4 (a) Find the equation of the line of best fit. y hat = + x (ii) Graph this equation on a scatter diagram. (Do

    asked by statistics student
  86. chemistry

    Which of the following statements describes why ion exchange of 99% SiO2 - 1% B2O3 in a salt bath of molten postassium chloride (KCl) is not an effective way to increase the surface strength of the glass sample? The ion exchange works correctly, however

    asked by chem
  87. algebra 2

    This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

    asked by hannah
  88. physics (help)

    A meteorite of mass m= 1 ×104 kg is approaching head-on a planet of mass M= 3 ×1029 kg and radius R= 7 ×104 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 2 ×102 km/s. Take G= 6.67

    asked by Anonymous
  89. PHYSICS(HELP)

    A small object of mass m= 90 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. (See figure) (a) What is the magnitude of the force (in Newtons) exerted by the

    asked by Anonymous
  90. Math

    Find the vertex of the parabola. Sketch the graph. Y=x^2+2x-3

    asked by Pam
  91. Math

    The cost of an order of 10 computer disks and 3 packages of paper was $27. The next order was for 30 disks and 5 packages, and the cost was $65. Find the cost of a single disk and a single package of paper.

    asked by Evy
  92. Physics(IMPORTANT)

    A block of mass m = 2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k =10 N/m. The static friction coefficient between the block and the surface is mμs =0.7 , and the kinetic

    asked by keitanako
  93. Physics(IMPORTANT)

    An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=(λ/4)(x^2-a^2)^2+(b/2)x^2 Here we use λ=3kg/(m^2s^2), a=7m, and b=77kg/s^2. (b) Find a stable equilibrium point x0 such that x0 is positive. (in meters) x0= (c) Do

    asked by keitanako
  94. Math

    Twenty marbles are in a bag. There are 5 green marbles, 9 blue marbles, and the rest are red. Two marbles are drawn at random without placement. Find the probability that neither is blue

    asked by Elizabeth
  95. math 5th grade

    How to solve 547X73

    asked by hannah
  96. Spanish

    1)¿A qué hora se acuestan Uds. esta noche? _________ a las once. A. te acuestas B. me acuesto C. nos acostamos D. se acuesta I said B 2)Voy a llegar tarde a la clase de español. Por suerte la profesora está _____ hoy. A. de buen humor B. de mal humor

    asked by Eri Uchi
  97. Medical Billing & Coding

    This 32-year-old female patient was admitted with intractable partial epilepsy after an MRI showed mesial temporal sclerosis on the right side with hippocampal atrophy. The neurosurgeon carried out a selective amygdalohippocampectomy with intraoperative

    asked by Arlene
  98. Biology

    What could be a benefit for a plant that can switch between cyclic and non-cyclic electron transport? Think about the products of electron transport and what products are needed for the Calvin Cycle.

    asked by Laurie
  99. Engineering

    At 300 K we see the electron concentration in the conduction band for pure (undoped) Si is 1010/cm3. How many electrons per Si atom is this? You can use scientific notation, as in A.AAeB Si is diamond cubic with 8 Si atoms per unit cell and a lattice

    asked by Solar Solar Cells, Fuel Cells and Batteries
  100. MATHS

    lf you added a fifth of one and a quarter to one and a quarter, what would the answer be ? ..... The answers is 1 1/2 have tries 0.2 + 0.25 + 0.75 = 1.20 or 1 1/5 ???? 0.2 + 0.75 + 1 + 0.25 = 2.20 ??? Please help!

    asked by LARA
  101. Physics problem

    An object with a mass of 100kg is dropped from an 80 meter high building and leaves an impression in the ground of 15cm. A.What is the time needed to hit the ground? B. What is the speed of the object when it hits the ground? C. What is the coefficient of

    asked by Sarah
  102. Algebra

    Help I'm stuck I need to factor a trinomial expression using the AC method 15x^2 + 31x + 2

    asked by Tracy
  103. math 5th grade

    How to solve 547X73

    asked by hannah
  104. algebra 2

    This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

    asked by hannah
  105. 6th grade math

    Can you check my homework, please? 1. Write numeric expression for "eighteen less than the product of 2 and a". Ans: 2a - 8 2. Molly has x pieces of candy. Holly has twice as much. Write an expression to represent how much candy Holly has. Ans: 2x 3. Jill

    asked by Alex
  106. science

    which of the following is more eco-friendly than the others? 1.Burning of Petrol 2.Burning of COAL. 3.Burning of Charcoal 4.Burning Of Cowdung.

    asked by help()!!!!!
  107. Physics

    A ship travels north at 6m/s. The wind travels west at 2.5 m/s. In what direction will the pennant of the ship on the masthead fly?

    asked by Tsunayoshi
  108. Physics

    A rock is thrown from the ground at a speed of 22m/s and an angle of 55 degrees above the horizontal. Find the velocity and height of the rock after 2 seconds.

    asked by Tsunayoshi
  109. physics (help)

    A small object of mass m= 90 kg slides down a spherical dome of radius R=12 m without any friction. It starts off at the top (polar angle θ=0) at zero speed. Use g=10 m/s2. (See figure) (a) What is the magnitude of the force (in Newtons) exerted by the

    asked by Anonymous
  110. Physics

    A rock is thrown from the ground at the speed of 22 m/s and an angle of 55 degrees above the horizontal. Find the velocity and the height of the rock after 2 seconds

    asked by Tsunayoshi
  111. History 1

    What groups controlled Egypt during their expansion? (during the NEW KINGDOM)

    asked by Anonymous
  112. Physics

    A rock is thrown from the ground at a speed of 22 m/s and an angle of 55 degrees above the horizontal. find the velocity and height of the rock after 2 seconds

    asked by Tsunayoshi
  113. Computer

    Give 10 written information in an address book.

    asked by Tsunayoshi
  114. Math

    The number of tickets sold each day for a performance is given by N(x)=-0.4x^2+8x+14, where x is the number of days since the concert was first announced.when will daily ticket sales peak and how many tickets will be sold that day?

    asked by Pam
  115. algebra 1

    Find C intersection D. C: {3, 6, 9, 12, 15, 18} D: {numbers divisible by 2 from 1 to 20} {2, 4, 6, 8, 10, 12, 14, 16, 18, 20} {6, 12, 18} {2, 3, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20} { } I really think its the second one but im so confused.

    asked by ty
  116. PHYSICS (HELP!!!)

    An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=λ4(x2−a2)2+b2x2.(1) Here we use λ= 9 kg/(m2s2), a= 9 m, and b= 719 kg/s2. (a) How many equilibrium points (stable and unstable ones) does this potential have? n= 1 2

    asked by Anonymous
  117. Criminal Justice

    What are the top two theorys of interpreting the constitution if we eliminated judicial review?

    asked by Brenda
  118. intermediate algebra

    factor 192x*3-3

    asked by leeanne
  119. Math

    Joel rented a car for 14 days , his total bill was 1,239 .how much did the rental cost each day

    asked by Anabelle
  120. math

    50 is 6.25% of what number?

    asked by Jasmine
  121. History

    How wide was the secret hallway behind the bookcase in Anne Franks House?

    asked by Cody
  122. social studies

    Steps to build your dignity

    asked by praise
  123. Math

    Assume that 3 dice are thrown simultaneously. What is the probability that exactly one 4 will come up?

    asked by Elizabeth
  124. Math.

    You repeatedly toss a fair coin for 5 times. What is the probability that heads comes up at least 3 times before tails comes up twice?

    asked by Elizabeth
  125. PHYSICS

    A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is

    asked by viper
  126. German

    Hat es ______ (you all) gut gefallen? would this be ihnen? or uns? thank you.

    asked by sinclair
  127. Question

    Is there remaining water after a tsunami from an ocean?

    asked by Anonymous
  128. World History

    What gave the Middle East an advantage during the Neolithic Era? A) a well-educated and hardworking populace B) fertile land C) an abundance of diverse beasts of burden to domesticate D) rivers and coastlines

    asked by Anonymous
  129. German

    Der Film hat ___ (him) sehr gut gefallen. this would be dative ihm, right? i just want to make sure, so that i don't put ihn.

    asked by sinclair
  130. Probability and Statistics

    Random Variables X and Y follow a joint distribution: f(x,y)=(6-x-y)/8 if 0

    asked by Katy
  131. Social Studies (History)

    How does the constitution limit the powers of government

    asked by Steve
  132. Music

    How does music affect a musical?

    asked by Unknown
  133. Math

    Assume that 3 dice are thrown simultaneously. What is the probability that exactly one 4 will come up?

    asked by Elizabeth
  134. Math

    Twenty marbles are in a bag. There are 5 green marbles, 9 blue marbles, and the rest are red. Two marbles are drawn at random without placement. Find the probability that neither is blue

    asked by Elizabeth
  135. Mcneese

    What if you quadruple the force and keep the force constant what will happen to the resulting acceleration?

    asked by Marie
  136. Sowela

    Two objects of the same size fall from a tall building , object A=6kor B=12k which hits the ground first

    asked by Marie
  137. world history

    what did samuel kemper and the republican army accomplish?

    asked by haley
  138. Math

    Label the vertex and the intercepts of y=x^2-2x+11. Sketch the graph of the equation

    asked by Pam
  139. statistics

    Assure that a procedure yields abinomial distribution with a trial repeated n times. Use abinomial probabilities table to find the probability if x sucesses given the probability of sucess of a given trial. n=6 x=0 p= 0.70

    asked by angela
  140. question

    i need some advice im a freshmen in hghschool and i have one honor class this semester and the 1st term i got a 80.6 and im struggling more is it better to be in it or just take regular and have an a over a b are their any benefits of it

    asked by mr.albracht
  141. math

    1. X^2 – y^2 – 2y - 1

    asked by vishnupriya.k.r
  142. yo mama

    le help me

    asked by ayee