Questions Asked on
May 20, 2012

  1. physics

    a car starts from rest , attains a velocity of 36kmph with an acceleration of 0.2m/s^2 travels 9km with this uniform velocity and then comes to halt with a uniform acceleration of 0.1m/s^2 find the total time of travel of the car.

    asked by riana
  2. Geometry

    A gardener wants the three rosebushes in her garden to be watered by a rotating water sprinkler. The gardener draws a diagram of the garden using a grid in which each unit represents 1 ft. The rosebushes are at (1, 3), (5, 11), and (11, 4). She wants to

    asked by Rachel
  3. Math

    Serena wants to borrow $15 000 and pay it back in 10 years. Interest rates are high, so the bank makes her two offers: • Option 1: Borrow the money at 10%/a compounded quarterly for the full term. • Option 2: Borrow the money at 12%/a compounded

    asked by Maame
  4. physics

    1. A train running at 30 m/s is slowed uniformly to a stop in 44s . find the acceleration and stopping distance. 2. a car velocity increases uniformly from 6m/s to 20m/s while covering 70m find the acceleration and the time taken

    asked by choco
  5. physics

    A trained dolphin leaps from the water with an initial speed of 12 m/s. It jumps directly towards a ball held by the trainer a horizontal distance of 5.50 m away and a vertical distance of 4.10 m above the water. In the absence of gravity the dolphin would

    asked by Tom
  6. related rates

    After blast-off, a space shuttle climbs vertically and a radar-tracking dish, located 1000 meters from the launch pad, follows the shuttle. How fast is the radar dish revolving 10 sec after blast-off if at that time the velocity of the shuttle is 100 m/sec

    asked by :)
  7. physics

    A cat walks along a uniform plank that is 4 m long and has a mass of 7 kg. The plank is supported by two sawhorses, one 0.44 m from the left end of the board and the other 1.5 m from its right end. When the cat reaches the right end, the plank just begins

    asked by Tom
  8. Chemistry

    There is a current being applied to an aqueous solution fo sodium bromide. What is produced at the cathode and anode? I said that Na(s) being produced at the cathode and Br2(l) being produced at the anode. The other options are H2 and O2 for either but

    asked by Katherine
  9. Physics

    A car with mass m require 5.0 KJ of work to move from rest to a final spee v. If this sam amount of work is performed during the same amount of time on a car with a mass of 2m, what is the final speed of the second car.

    asked by Cristiao
  10. physics

    A 200m dash along a straight track was timed at 21.1 s by a timer located at the finish line who used the flash from the starters pistol to start the stopwatch. If the air temperature was 30.0c , what would the time have been if the timer had started the

    asked by Melissa
  11. Chemistry

    I'm a bit iffy on oxidation numbers... can someone please tell me if this is correct? Assign oxidation states to each element on both sides of the equation : KClO2--->KCl+O2 Reactants K = +1 Cl = +1 O = -2 Products K = +1 Cl = -1 O = 0 the element being

    asked by Katherine
  12. physics

    How much time is required for sound to travel 1.4 km through air if the temperature is 30.0 c

    asked by Melissa
  13. calculus

    Find the dimensions of a rectangle with perimeter 100m. whose area is as large as possible.

    asked by :)
  14. calculus

    Find two positive numbers whose product is 100 and whose sum is a minimum.

    asked by :)
  15. geometry

    An engineer is 980 ft from the base of a fountain at Fountain Hills, Arizona. The angle of elevation to the top of the column of water is 29.78. The surveyor’s angle measuring device is at the same level as the base of the fountain A.280 When the top of

    asked by Anonymous
  16. Chemistry

    Arrange the ions: Cu^2+, Ni^2+, Mg^2+, & Zn^2+ in order of decreasing ability to be reduced... & in order of decreasing ability to be oxidized

    asked by Jane
  17. Geometry

    A 60 degree arc, of circle A, has exactly the same lenght as a 45 degree arc, of circle B. Find the ratio of the radius of circle A to the radius of circle B

    asked by Maria
  18. Calculus

    A Baseball Diamond has the shape of a square with sides 90 feet long. a player is running from 1st to 2nd base at a speed of 25 feet per second. find the rate at which his distance s is from home plate is changing when the player is 20 feet from 2nd base.

    asked by John
  19. linear programming

    Globex Investment Capital Corporation owns six companies that have the following estimated returns (in millions of dollars) if sold in 1 of the next 3 years: Year Sold (estimated return, $1,000,000s) Company 1 2 3 1 $14 $18 $23 2 9 11 15 3 18 23 27 4 16 21

    asked by alia
  20. physics

    Two particles with masses m and 3m are moving toward each other along the x axis with the same initial speeds Vi. Particle m is traveling to the left, and the particle 3m is traveling to the right. They undergo an elastic glancing collision such that

    asked by ace
  21. world history

    Which of the following practices represents an adaptation to the environment ? A. reaching decidions by cosensus B. believing in a supreme being C. creating stylized masts D. using slash-and-burn agriculture My answer is D?

    asked by ciara
  22. calculus

    A rectangle has a perimeter of 10 meters. Express the area A of the rectangle as function of the width x.

    asked by :)
  23. algebra 2

    7 girls audition for 12 roles in a school play. What is the probability that at least 2 of the girls audition for the same part?

    asked by jenny
  24. Physics

    Peggy drives from Cornwall to Atkins Glen in 52 min. Cornwall is 75 km from Illium in a direction 26° west of south. Atkins Glen is 27.1 km from Illium in a direction 16° south of west. Use Illium as your origin. (a) Draw the initial and final position

    asked by Adam
  25. English

    Can you swim? 1. Yes, I can swim very well. 2. Yes, I can swim a little. 3. Yes, I can swim a bit. 4. Yes, I can swim just a little bit. 5. Yes, I can swim just a little. 6. No, I cannot swim well. 7. No, I can't swim. 8. No, I can't swim at all. 9. No, I

    asked by rfvv
  26. physics

    A bell is rung at a sound intensity of 70dB . A trumpet is blown at an intensity that is greater by a factor of 10^3. What is the intensity level of the trumpet

    asked by Melissa
  27. SOCIOLOGY

    What are some sacred things, persons,places, and ideas in comtemporary American society? All of these sacred elements connected with what we normally regard as religions?

    asked by BRANDY
  28. Calculus

    A cone-shaped coffee filter is draining at a rate of 20 in^3 /min. The filter has a diameter of 8 inches. the radius of the filter is 2/3 the height. how fast is the coffee level falling when the coffee is 3 inches deep?

    asked by John
  29. Math- Trigonometry

    The point, in on the terminal side of an angle in standard position find the exact value of the six trigonometric functions of the angle a. (8,15) b.(-9,-40)

    asked by Laura
  30. kw university

    You want to get an idea of the magnitude of magnetic fields produced by overhead power lines. You estimate that a transmission wire is about 11 above the ground. The local power company tells you that the line operates at 16 and provide a maximum of 83 to

    asked by mma
  31. Algebra 1A

    One day the temperature dropped from 0 F to -17 F. How many degrees did it drop?

    asked by Nini
  32. ethic

    Contrast utilitarian and deontological approaches to a dilemma involving genetic engineering.

    asked by ant
  33. Science

    Why does seafloor spreading occur?

    asked by Austin
  34. Geometry

    Circle O is inscribed is square ABCD, and at the same time, is circumscribed about square PQRS. WHich are is the smaller area, the region inside the inscribed circle minus the area of square PQRS or the are inside square ABCD minus the area of the

    asked by Anonymous
  35. physics

    a particle moves along the sides ab,bc,cd of a square of sides 25m with a velocity of 25m/s find average velocity of th eparticle

    asked by choco
  36. Algebra 2

    half life carbon -14 is 5,730 years. If you start out 50 grams, how long will it take until it reaches 2 grams?

    asked by chels
  37. Geometry

    Find the area of a segment of a circle, in which the radius of the circle it is in, is 6cm, and the central angle measures 120 degrees. Round your answer to the nearest tenth.

    asked by Anonymous
  38. physics

    A fan at a baseball game is 100.0m from the home plate. If the speed of sound is 350 m/s , how long after the batter actually hits the ball does the fan hear the crack? Assume that there is no wind.

    asked by Melissa
  39. linear programming

    Exeter Mines produces iron ore at four different mines; however, the ores extracted at each mine are different in their iron content. Mine 1 produces magnetite ore, which has a 70% iron content; mine 2 produces limonite ore, which has a 60% iron content;

    asked by alia
  40. Trigonometry

    find all values of theta in the interval 0

    asked by Jade
  41. calculus

    limit of ln(sin x) as x approaches pi to the left

    asked by :)
  42. physics

    a bullet initially moving with a velocity 20m/s strikes a target and comes to rest after penetrating a distance 10cm in

    asked by raffin
  43. Physics

    A wave on a string is described by the following equation (assume the +x direction is to the right). y = (18 cm) cos[ðx/(5.3 cm) - ð t/(14 s)] What is its period? What is its speed? In which direction does the wave travel? To the left or to the right?

    asked by Anna
  44. MATH 12 HELP!

    One bag contains 4 white balls and 6 black balls. Another bag contains 8 white balls and 2 black balls. A coin tossed to select a bad, then a ball is randomly selected from that bag. Suppose white ball was drawn. What is the probability that it came from

    asked by the man
  45. queue

    Amanda Fall is starting up a new house painting business, Fall Colors. She has been advertising in the local newspaper for several months. Based on inquiries and informal surveys of the local housing market, she anticipates that she will get painting jobs

    asked by alia
  46. American Correction

    Identify and describe at least three ways the criminal justice system operates to allow for an overrepresentation of African Americans and Latinos/as in the prisons. Be sure and give one example involving the police, one involving the courts, and one

    asked by Ellis
  47. physics

    Two charges are placed on the x axis. One of the charges (q1 = +6.14C) is at x1 = +3.00 cm and the other (q2 = -28.6C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and (b) x =

    asked by BM
  48. math

    the probability of an event is 7/12. what are the odds against this event occurring?

    asked by karen
  49. chem

    A sample of silver with a mass of 63.3 g is heated to a temperature of 384.4 K and placed in a container of water at 290.0 K. How much heat is released into the water?

    asked by Anonymous
  50. Criminal Justice

    Name at least three unintended consequences of an ever-increasing prison population? Give concrete examples of each. Discuss the political and social affects of these consequences. Are they acceptable? Explain your reasoning

    asked by Ellis
  51. Related rates

    A piece of wire 10 feet long is cut into two pieces. One piece is bent into the shape of a circle and the other into the shape of the square. How should the wire be cut so that the combined area of the two figures is as small as possible?

    asked by :)
  52. algebra 2 help please

    Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player !@#$%^&ceives the queen goes first. What is the probability that Yves will go first? a) 1/18 b) 1/3 c) 1/6 d) 1/13

    asked by jenny
  53. queu

    The Waterfall Buffet in the lower level of the National Art Gallery serves food cafeteria-style daily to visitors and employees. The buffet is self-service. From 7:00 A.M. to 9:00 A.M. customers arrive at the buffet at a rate of 10 per minute; from 9:00

    asked by alia
  54. world history

    How was Lady Margaret Beaufort involved in english royal politics? A. she was marride to henry V1 B. Her son was the supporter heir to the English throne C. Her father was the half-brother of Henry V1 D. She was marride to Henry Tudor who became Henry V11

    asked by ciara
  55. MATH

    Write as a single logarithm: 2 log 3 – log 5 +2 log2

    asked by Sandra
  56. HUman resource managment

    Explain and discuss the main aims of HRP. (20 MARKS)can i mentioned about the importance of human resource planning?? i have replied to this question by mentioning this : Human resource planning aims to ensure that the organization has the number of people

    asked by Bhoomeeka
  57. AP CHEMISTRY

    What does a negative value for a standard potential indicate? PLEASE HELP!!

    asked by DAN
  58. physics

    A vibrating 400.0Hz tuning fork is placed in fresh water. What is the frequencyin herbs and the wavelength in meters (A) within the water at 25c (B) when the sound waves move into the air at 25c

    asked by Melissa
  59. algebra 2 help please

    You have a carrying case that holds four CDs. You want to know in how many ways you can place four of the ten CDs you own into the case.

    asked by jenny
  60. physics

    A long hollow non-conducting cylinder of radius 0.060 m and length 0.70 m carries a uniform charge per unit area of 4.0 C/m^2 on its surface. Beginning from rest, an externally applied torque causes the cylinder to rotate at constant acceleration of 40

    asked by sand
  61. physics

    A charge of -3.95C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.135 m). The charges on the circle are -5.90C at the position due north and +4.27C at the position due east. What is (a) the

    asked by BM
  62. calculus

    The sum of two positive numbers is 100. Let one of the numbers be x and express the product P of the two numbers as a function of x.

    asked by :)
  63. Sign Language Sentence Structure

    Can you please put these sentences into ASL sentence structure? Hi Hello The sun is out and it is hot. I heard that later on it was supposed to be cloudy. Is it going to storm? Yes there is going to be a thunderstorm. I heard it was just supposed to be

    asked by MiKu
  64. physics?

    The minute hand of a bedside clock is 2.5 cm long. In order for the clock to keep proper time, the minute hand should maintain an average angular velocity of

    asked by Brandon
  65. Physics

    An unknown mass is suspended by a string from one end of an uniform stick which has a mass of 120 g. In order to balance the stick, it must be supported one third of its length away from the mass. the unknown mass is therefore?

    asked by Brandon
  66. physics

    a bullet initially moving with a velocity 20m/s strikes a target and comes to rest after penetrating a distance 10cm in the target calculate the retardation/deceleration caused by the target.

    asked by riana
  67. algebra 2 homework check

    Yves and some friends are playing a fair game in which 18 cards are dealt to 6 players. One of the cards is a queen. The player !@#$%^&ceives the queen goes first. What is the probability that Yves will go first? Is it 1/3?

    asked by jenny
  68. American Corrections

    African Americans and Latinos/as are overrepresented in the criminal justice system. Discuss the social and political consequences of this fact.

    asked by Ellis
  69. math?

    5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in^2. What is the radius, including the units? Area of a circle is ¢³r^2. 8)The 3 sided triangle has an area of 14 in^2.

    asked by neveah gomez
  70. history

    Napoleon claimed to be a freely elected leader. a) What facts support his claim? b) What facts do not? Explain

    asked by MARIEEEE
  71. Chemistry help please?

    order these highest PH to the lowest PH Ca(OH)2(aq) HCN(aq) NH3(aq) LIOH(aq) HCI(aq)

    asked by Sara
  72. Physics

    When the space shuttle (mass of the shuttle = 2 x10^6 kg) was at the outer limit of Earth's atmosphere (distance = 350 km above Earth's surface), astronauts measured the gravitational force from Earth to be equal to 1.7 x 10^7 newtons. Assuming that both

    asked by Leila
  73. Geometry

    Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth

    asked by Bob
  74. physics

    2.The distance travelled by a body moving with uniform acceleration in the nth second is given by Sn=3.8+0.4n,find the velocity of the body

    asked by srikar
  75. ALGEBRA

    Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. Assume 365 days in a year. (Round your answer to the nearest cent.)

    asked by Chris
  76. Physics

    dev.physicslab. org/asp/nyregents/2003/January/part3.asp Why is the answer to #47 2 amperes? How do I get that?

    asked by Confused
  77. Geometry

    Two similar rectangular prisms have corresponding sides that measure 5 feet and 6 feet. If the measures of two corresponding sides of two similar solids are 3 meters and 5 meters, what is the ratio of the surface areas of the solids?

    asked by Bonnie
  78. chemistry

    Mass is lost or gains in a.) all chemical reactions b.) all nuclear fission reactions c.) all nuclear fusion reactions d.) all chemical and nuclear reactions my guess is B

    asked by ben
  79. Chemistry

    calculate [H] and [OH] for a .01M calcium hydroxide solution?

    asked by Morgan
  80. ALGEBRA

    Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. Assume 365 days in a year. (Round your answer to the nearest cent.)

    asked by Mike
  81. calculus

    an amount of 1000 is deposited in a bank that pays 8% interest/year compounded daily (take the number of days in a year to be 365) let an denote the total amount on deposit after n days, assuming no deposits or withdrawals are made during the period in

    asked by sofi
  82. algebra 2 help please/check

    The first 3 terms in a geometric sequence are 1.1, 1.65, and 2.475. Part A: What is the sum of the first 6 terms of the sequence? Show your work. Part B: How does the sum of the seriesy differ from the 6th term? Explain. Part C: If the nth term in this

    asked by jenny
  83. Art

    Could you please check these sentences, too? Thank you very much. 1) The Waste Land is a complex long poem of 433 lines about a “waste land” which seems both personal and external. It is divided into five sections and is dedicated to Eliot’s friend

    asked by John
  84. Math

    5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is ¢³r2. 8)The triangle has an area of 14 in2. Determine the

    asked by Julissa
  85. physics

    one car moving on a straight road covers 1/3 of the distance with 20kmph and the rest with 60kmph find th average speed

    asked by barbie
  86. Chemistry

    Ammonia reacts with oxygen at 120 C to form NO and H20 in a sealed 40-L container. When 34 g of ammonia reacts with 96 g of oxygen, what is the partial pressure of the NO? What is the total pressure?

    asked by Erin
  87. graphing trig functions

    given y=(3x+2pi) how would i graph one period this without a calculator? amplitude:1 period: 2pi/b = 2pi/3 is this correct? what is the minimum and maximum points?

    asked by bkue
  88. Chemistry

    Amino acid solution was made by taking 3.58 g of the dry amino acid and making it up to 1.00L in water. A 25.0 mL sample was taken and titrated with NaOH of concentration of 0.0493M, with the first equivalence point at 18.15 mL and the second equivalence

    asked by k
  89. Spanish

    23. "Vas a traer los refrescos?" "Sí, Voy a ____." a. traerlo b. traerlos c. traerlas d. traerla B? 24. Los estudiantes tienen que hacer fila para entrar en el _____. a. asiento b. oficina c. cafeteria d. auditorio C 25. "¿Qué hay en la pared de tu sala

    asked by mysterychicken
  90. Chemistry

    Concentrated hydrochloric acid has a concentration of 12.1 moles per liter. how many milliliters of the concentrated acid should be used to create 3.25L of a 0.100M solution?

    asked by Lindsey
  91. math

    a coat that normally sells for $200 is on sale for $170 By what percent is the original cost of the coat

    asked by anonymous
  92. Psychology

    Please check my practice test 1. What are some self-control principles that you as a college student could use to increase the amount of time you spend studying with success? a) Find a quiet spot to work with minimal disturbance and set a modest target for

    asked by Susan
  93. physics

    1. a car starts from rest attains a velocity of 36kmph with an acceleration of 0.1 m/s^2 find the total time of travel of the car. 2. the distance travelled by a body in fourth second is twice the distance travelled in second of the acceleration of the

    asked by barbie
  94. physics please someone help

    Peggy drives from Cornwall to Atkins Glen in 52 min. Cornwall is 75 km from Illium in a direction 26° west of south. Atkins Glen is 27.1 km from Illium in a direction 16° south of west. Use Illium as your origin. (a) Draw the initial and final position

    asked by Adam
  95. >_<

    The 3 sided triangle has an area of 14 in^2. Determine the lengths of the sides of the triangles.Remember that the area of a triangle is ½ bh. bottom length= x+3 side length= x

    asked by Anonymous
  96. Physics

    A rectangular plank with mass m kilograms measures x metres wide by y metres high. It is clamped at its very left edge, one third of the way down from the top, as shown. To keep the plank level, the clamp must exert a torque of

    asked by Brandon
  97. statistics

    Sign in Assume that the mean score on a certain aptitude test across the nation is 100, and that the standard deviation is 20 points. Find the probability that the mean aptitude test score for a randomly selected group of 150 8th graders is between 99.5

    asked by m elissa
  98. MATH

    What is the balance if principal is $4,800, for 5 years at yearly rate of 6%, and the compounded interest is the n=∞ [compounded continuously]?

    asked by Sandra
  99. Physics

    A compact disc spins at 2.8 revolutions per second. An ant is walking on the CD and finds that it just begins to slide off the CD when it reaches a point 3.2 cm from the CD's center. What is the coefficient of friction between the ant and the CD?

    asked by Alex
  100. physics

    A wire 1 m long carrying a current of 12 A is at right angles to a magnetic field of 0.2 T.What is the magnitude of the force on the wire?

    asked by gdl
  101. math

    the area of a circle is 25 in2. What is the radius, including the units? Area of a circle is ¡Çr2.

    asked by cici
  102. cultual studies

    Analyze and interpret the following quotation: “Worldwide, non-Western cultures faced fundamental challenges to their cultural identities—not so much a recentering of culture but a decentering of culture” (Sayre, 2010, p.419).

    asked by sasha
  103. ela teacher

    Please read my conclusion and just give me advice..... The topic is prejudice and all, out of 10 what would you give it and why. To sum it up, prejudice is a serious topic that we still discuss today. Governments have made laws based on prejudice but

    asked by hi
  104. world history

    Which of the following statements BEST describe the region of Eatern Europe? A. a culturally uniform refion B. an insolated region C. a region of many peoples,languages,and traditions D. a peaceful region My answer is C?

    asked by ciara
  105. chemistry

    What is the BCA table for Potassium iodide and chlorine

    asked by Lyle
  106. ALGEBRA

    Make a 5% offer on a Volkswagen New Beetle that has a sticker price of $22,120 and a dealer cost of $20,860. (Round your answer to the nearest dollar.)

    asked by Mike
  107. math

    Give an example of an ordered pair that is plotted by only moving left from the origin along the x-axis. Explain.

    asked by le
  108. ALGEBRA

    If a business borrows $18,000 and repays $24,300 in 4 years, what is the simple interest rate?

    asked by Daniel
  109. algebra

    Convert the following credit card rate to the APR. Nebraska, 0.04110% daily rate. (Round your answer to the nearest whole number.)

    asked by Chris
  110. Geometry

    Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth

    asked by Maria
  111. english

    Ihave to write a polished paragraph to take with me when I go for my interview. I have to create the pretend job and my field of study using experience that motivated me

    asked by Gail
  112. Chemistry

    How many mls of .1M KOH would it take to neutralize 75 mls of .07M CH3COOH?

    asked by Jamie
  113. Art

    Thank you very much. I still need you to check a few urgent things, Writeacher. 1)The line is engaged. Would you hold? Would you like to hold the line? Would you like to hang on/hold on? Which are possible? 2)You needn't have bought the milk; there was

    asked by John
  114. World history

    Which of the following statements describes the Ottoman and Safavid empires? A. Both were ruled by caliph B. Both persecuted non-Muslims C. Boh preserved peace D. Both based their government on Muslim traditions My answer is A ?

    asked by ciara
  115. ALGEBRA

    Suppose you have a $1,000 charge on a credit card charging 1.5% monthly interest using the adjusted balance method. The minimum payment due in May is $40. How much will you save in interest charges in June by paying $80 instead?

    asked by Mike
  116. Art

    Thank you, Writeacher. I checked the sentece you couldn't understand and I added a few other things. 1) He was responsible to the king for the governement's policy. 2) The horses, which Gulliver meets in his fourth voyage, are described as beautiful,

    asked by John
  117. ALGEBRA

    A car dealer will sell you a used car for $7,542 with $542 down and payments of $213.27 per month for 36 months. What is the APR? (Use the formula on page 156. Round each answer to the nearest tenth.)

    asked by Daniel
  118. Art

    Could you please help me to check these last sentences. Thank you, Writeacher. 1) The subtitle is referred (refers) to the reward given by Mr B to P. He tries to seduce her but she resists (better: his advances) and for this reason she receives from him a

    asked by John
  119. Physics(work and energy)

    A cannon ball is fired so that it hits the wall at the top of a 10m tower.If the energy needed to destroy the wall is 49000 F and the mass of the cannon ball is 10 k, the minimum initial velocity of the cannon ball required to break the tower wall is A 100

    asked by TOM
  120. Physics

    A car of mass 1670 kg is traveling without slipping on a flat, curved road with a radius of curvature of 34 m. If the car's speed is 14 m/s, what is the frictional force between the road and the tires?

    asked by Alex
  121. Geometry

    A circle is divided into three unequal sectors. One of the sectors has (x+40) degrees, the second sector has (2x+60) degrees, while the third sector has (3x+20) degrees. What is the value for x?

    asked by Maria
  122. Chemistry

    Which one of the following cobalt complexes should be the most stable? a. [Co(NH3)6]2+ b. [CO(NH3)6]3+ c. [Co(en)3]3+ d. [CoF6]3– I think the answer is c, but not really sure. Can Dr.Bob explain ? Thanks

    asked by Swaastikaa
  123. Art

    what were the 5 influences that had an impact on the art of the Italian Renaissance

    asked by Bella
  124. Art

    What is the critique method?

    asked by Bella
  125. Chemistry

    What volume of solution do you have if you know you dissolved 0.0500g nitric acid to make solution that was determined to be 0.0793M (molarity). My teacher gave 10.0 mL as the answer, but I got .0098. Not quite sure where I went wrong.

    asked by Lindsey
  126. ALGEBRA

    Evaluate the expression. \( _5^9 \) \( _3^5 \) \( _1^3 \)

    asked by Mike
  127. Sci.

    The boundary between 2 plates moving together is calle _______.

    asked by Jake
  128. chemistry

    Pvap (mm-Hg) of 100g 24%NaOH in H2O @100C? When Pvap pure H2O @100C is 760mm-Hg Pls where to start solving this problem? What is the equation? What are the staeps to get to the right answer?

    asked by marina
  129. chemistry

    The reactant concentration in a second-order reaction was 0.790 after 200 and 8.80×10−2 after 740 . What is the rate constant for this reaction?

    asked by Anonymous
  130. 4 Math questions!

    Can you help me with a few math questions please? 1)You are running in a race. It takes you 25 minutes to go 2.7 miles. a.If you continue at this same rate, how long will it take you to go 6 miles? b.What is your rate in miles per hour? 2)If the scale

    asked by Alyssa Martinez
  131. Physics

    How do I make calculations for a toy hovercraft?

    asked by Nick
  132. criminal justice

    what is the rational for allowing warrtless searches? Are those reasons persuasive?

    asked by kenny
  133. Art

    I have to describe how cubism is considered emotional approach, but i don't know what an emotional approach is. Help?

    asked by Bella
  134. Math

    okay so im doing homework and don't understand how to do it the question is -2 2/3+ d/6= 2/3 the little slash things are fraction things

    asked by Becca
  135. English - ms. sue

    ms. sue what this quote mean i only say that it mean that uncle al underestimate jacob, i not know how to explain it more. "I don't give a damn what it is - even if I gave you a job on the show, you wouldn't survive. Not for a week. Not for a day. The show

    asked by Mohammad
  136. Chemistry

    More finals review please... Ag^+ + 2e^- --> Ag E^nought = 0.800V Sn^4+ + 2e^- --> SN^2+ E^nought + 0.154V balanced equation: 2Ag^+ + Sn^4+ --> 2Ag + Sn^2+ E^nought cell = cathode - anode I thought I heard say that I had to flip the "less negative" half

    asked by Miaow
  137. Modern languages

    Thank you very much again. Here are a number of sentences I would like you to check. 1) The Sundance film festival was launched by Robert Redford to promote first time film makers as well as low-budget independent (independently produced) films. 2) Redford

    asked by John
  138. mat h

    give the numbers of elements in the regions marked I, II, III, IV, V, VI, VII, VIII in the figure. |U|=290,|A|=40,|B|=12,|C|=32,|A¿B|=4,|A¿C|=3,|B¿C|=4,|A¿B¿C|=2

    asked by regan
  139. physics-series and parellel circuits

    I'll try to explain the schmatic drawing... a 120V battery, total of 12A, leads into a 8ohm resistor (R1), then breaks off into two parallel lines, R2 and R3. the resistance is unknown in R2, and in R3 the resistance is 3 ohms. I need to find the Amperage

    asked by Dav e
  140. Physics

    How do I make calculations for a toy hovercraft?

    asked by Nick
  141. Life Orientation

    in 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community. provide relevant sources to support your claims

    asked by Tasneem
  142. algebra

    Write a point-slope equation for the line with the given slope that contains given point. m= -1; (-3, 6)

    asked by Anonymous
  143. Physics

    Peggy drives from Cornwall to Atkins Glen in 52 min. Cornwall is 75 km from Illium in a direction 26° west of south. Atkins Glen is 27.1 km from Illium in a direction 16° south of west. Use Illium as your origin. (a) Draw the initial and final position

    asked by Adam
  144. Art

    Thank you for asking me about the earthquake which struck this morning near Bologna and has already killed 4 people. Luckily, we haven't felt it since we live further north! I find it difficult to check the following paragraphs in which tenses are mixed

    asked by John
  145. math

    how many king of hearts are in a deck of 52

    asked by zzx
  146. (:

    help with Quadratic Equations and Functions: 5)Solve 2x2 +6x = 4 by completing the square. 6)Solve 3x2 - 6x- 24 = 0 using the quadratic formula. 7)The area of a circle is 25 in2. What is the radius, including the units? Area of a circle is ¢³r^2. 8)The

    asked by neveah gomez
  147. statistics

    John wants to advocate for making study rooms available to students. In an effort to learn whether the time of day or the day of the week would be most important to consider in deciding when to make such rooms available, he polls a randomly selected group

    asked by mark
  148. culture

    Mutually Assured Destruction" is a policy based on which game theory strateg

    asked by sam
  149. physics?

    A heavy steel ball S is suspended by a string from a block of wood W, as shown in the sketch. The entire system is dropped from a height. Neglecting air resistance, the tension in the string is equal to A zero B the weight of S C the difference of the

    asked by Brandon
  150. physics

    A particle's constant acceleration is south at 2.0 m/s2. At t = 0, its velocity is 40.0 m/s east. What is its velocity at t = 7.7 s? Magnitude m/s Direction Please someone help me out on this...Thank you

    asked by Melany
  151. Chemistry

    The solubility of AlCl(3) is 46.6 grams in 100 mL in water. How many grams of AlCl(3) will dissolve in 1.68 L?

    asked by Sharmin
  152. Chemistry

    The solubility of AlCl(3) is 46.6 grams in 100 mL in water. How many grams of AlCl(3) will dissolve in 1.68 L?

    asked by Sharmin
  153. Desk Topping

    _____ are availible used to indicate changes that need to be made to text A . Proofreaders marks B . Correction marks C. Inserition sumbols D. Preview sumbols I got b .

    asked by ciara
  154. math

    2)If the scale factor of a map is 1/8” is 12 miles. How far apart are two towns if they are 3 inches apart on the map? help with graphing? 1)Graph the function y = 2x2 – 3. You can describe your graph by specifying the vertex, maximum or minimum, axis

    asked by nena ochoa
  155. English/History

    In Maus, what 3 times does Vladek almost die, but is saved? I feel like there are a ton of times he could have dies (being in the concentration camps alone is life-threatening enough), but I'm not sure what specific times Vladek was really close to death,

    asked by Ellie
  156. algebra PLEASE HELP ME

    pow 13 phone flub Alondra forgot Melissa's phone number. She did remember that the first three digits were 357- and that all the rest of the digits in the phone number were 2's and 9's and 7's. Alondra is determined to get in touch with Melissa. I'll just

    asked by linda
  157. essay check please

    This is the introduction of my essay , please check it !!!!!!!!!!!! It would really help “All men are born equally free”-Salmon P. Chase. A very important character that shapes our society is equality, but many people don’t believe in it. Racism and

    asked by hi
  158. logical thinking

    would you want to know the future why or why not? Survey question

    asked by hi
  159. trig

    how can you find points of a tri equation at orgin 1/4, 1/2, 3/4, and end of the period

    asked by keira
  160. Spanish

    16. ¿Qué necesitas para estos papeles? a. una pared o un bufet de ensaladas b. un proyector o una diapositiva c. un sacauntas o un mapa d. una grapadora o un sujetapapeles B? 18. "¿Quires ir a Miami conmigo?" "Vamos! Yo ______ bien la ciudad." a. salgo

    asked by mysterychicken
  161. Psychology

    What are the correct answers for questions 1 and 2 1. A reward used to predict varied behaviours is referred to as having a) generalizability.(

    asked by Susan
  162. algebra

    LCM of 15 c^2b^6, 5c^6b^4, 6c^7b^3

    asked by kathy
  163. SCIENCE

    WHAT IS THE FUNCTION OF GUARD CELLS?

    asked by PHIL
  164. life orientation

    Two Institution that are involved in supporting or reddresing substance abuse r

    asked by briton
  165. health care

    Find a current administrative issue in a newspaper, magazine, or journal article relating to topics such as patient privacy, confidentiality, or HIPAA. Write a 1,050- to 1,400-word paper that includes the following: • Describe the issue and its impact on

    asked by Van
  166. health care

    Find a current administrative issue in a newspaper, magazine, or journal article relating to topics such as patient privacy, confidentiality, or HIPAA. Write a 1,050- to 1,400-word paper that includes the following: • Describe the issue and its impact on

    asked by Van
  167. MATH

    What is the balance if principal is $4,800, for 5 years at yearly rate of 6%, and the compounded interest is 4 times a year?

    asked by Sandra
  168. Foreign languages

    I forgot to add these sentences. Thank you very much, Writeacher. 1) He spends more on train tickets than he actually earns by working as a support teacher. 2) Pamela is an epistolary novel made up of 32 letter in which the girl tells her parents about her

    asked by John
  169. Art

    Thank you very much, Writeacher. I left out the following statements. 1) The poem successfully expresses the modern artist’s disillusion with the modern world and, at the same time, the desperate need and search for a new tradition. 2) It also represents

    asked by John
  170. algebra

    5x -4 = 304

    asked by Sally
  171. math

    Saving increase. The amount in a saving account increased from $400 to $425. What was the percent increase?

    asked by gabe
  172. algebra 1

    LCM of 15 c^2b^6, 5c^6b^4, 6c^7b^3

    asked by kathy
  173. Art

    I left out the following sentences. Thank you very much, Writeacher. 1) My son has grown out of his shoes (not "frew out of.."), so we'll have to buy him new shoes (a new pair of shoes, a pair of new shoes .. are all possible?). We'll have to buy him a new

    asked by John
  174. health care

    Find a current administrative issue in a newspaper, magazine, or journal article relating to topics such as patient privacy, confidentiality, or HIPAA. Write a 1,050- to 1,400-word paper that includes the following: • Describe the issue and its impact on

    asked by Van
  175. Algebra

    f(x)=x^2-1 ; x = -3, -2, -1, 0, 1, 2, 3 i got 8,3,0,-1,0,3,8 as the answer when i plugged in x. how would i graph these numbers from this function?

    asked by Andrea
  176. Algebra

    Please help!!!! (square root of x) + 3 = square root of (x+12)

    asked by Jonathan
  177. criminal justice

    What are the requirements and the mandates in pretrial measures required by law?

    asked by gina
  178. algebra

    5√2÷√10 - 3=

    asked by Fertile Merdile
  179. Algebra

    solve in (x-5) =7

    asked by Sally
  180. 105 personal dimension of education

    my classes start 5-29-`12, can I get a better idea of whats ahead of me(course description)or what it consist of. Thank you

    asked by David
  181. Science

    Where can we see the result of plate movement?

    asked by Bailey
  182. math

    Why do we write radian measures with a π rather than just give the decimal equivalent?

    asked by darshi
  183. world history

    Which of the following gave Elanor of Aquitaine her greatest influece ? A. her participation in the Second Crusade. B. Her marriage to king Louis V11 og France C. her acquisition of land D. her son being Richard 1 of England My answer is .. C?

    asked by ciara
  184. biomechanics

    f a 20.8 N horizontal force must be applied to slide a 10.1 kg box along the floor at constant velocity what is the coefficient of sliding friction between the two surfaces?

    asked by Anonymous
  185. Sociology

    How religious are the people of the United States? Do you think regilion is increasing or decreasing in our society?

    asked by BRANDY
  186. Math

    what is the slope and y intercept of this equation? x+2=0

    asked by Elizabeth
  187. Science

    why does a 5p sink but a heavier piece of wood floats?

    asked by MR.
  188. Math

    f(x) = 4 ; x = -3, -2, -1, 0, 1, 2, 3 how do i solve this?

    asked by Elizabeth