1. science

    if a person is pushing a cart with a force of 40 newtons and it accelerates at 0.5 m/s2 what is the mass of the cart

    asked by Mary on March 28, 2012
  2. Physics

    A tiny spring, with a spring constant of 1.20 N/m, will be stretched to what displacement by a 0.005 0-N force?

    asked by Amanda on December 19, 2010
  3. science

    A box is pulled across the floor a at constant speed it is pulled horizontal force of 48 N

    asked by otis on February 14, 2016
  4. Physics

    what can be the source of error in lab of forces equilibrium,force board lab?

    asked by Riana on September 26, 2013
  5. physics

    A constant friction force of 15 N acts on a 70 kg skier for 20 s. What is the skier's change in velocity?

    asked by Amelia on December 19, 2011
  6. Physics

    What average force is required to stop an 1700 kg car in 7.0 s if the car is traveling at 75 km/h?

    asked by Ariel on September 8, 2010
  7. Science

    Determine the net force on a book sliding on a table if the book is slowing down.

    asked by Jennifer on March 16, 2008
  8. Chemistry

    When given the pressure and force of a system, how should the pressure formula be rearranged to solve for area?

    asked by Jarred on August 8, 2010
  9. physics

    if the force applied perpendicularly on a given surface is applied on a small area then pressure is?

    asked by ricajane on February 29, 2012
  10. Physics

    What average force is required to stop an 1600 -kg car in 8.0 s if the car is traveling at 80 km/h?

    asked by Katie on October 11, 2010
  11. physical science

    a car has a mass of 1000kg and accelerates at 2m/s/s. What is the magnitude of the force exerted on the car.

    asked by robin on September 10, 2008
  12. physics

    What average force is required to stop an 1300 -kg car in 9.0 s if the car is traveling at 90 km/h?

    asked by cindy on September 21, 2010
  13. physics

    If a force of 300N is exerted upon a 60 kg mass for 4 seconds, how much impulse does the mass experience?

    asked by Mota on November 19, 2009
  14. physics

    if a person is pushing a cart with a force of 40 Newtons and it accelerates at 0.5 m/s2 , what is the mass of the cart ?

    asked by ariel on April 13, 2012
  15. Physics/ electricity

    Two charges, separated by a distance of 1.3 m, attract each other with a force of 0.078 N. If one charge is +3.7 μC, what is the other charge?

    asked by Simmo on May 14, 2017
  16. Physics

    A rocket expels gases at a rate of 1.30 x 10^3 kg/s with a speed of 3.00 x 10^4 m/s. What is the force exerted on the rocket?

    asked by HELP on December 9, 2011

    IF you try to lift a 2x10 plank by applying 25 N force but the plank does not move did you do any work?

    asked by Answer this PLEASE on March 18, 2014
  18. physics !!

    How do I calculate the person of error in Centripetal force if it arises from 1% error of the Radius = 5.4 ?

    asked by Chloe on October 10, 2010
  19. physics

    What is the net force on a cart that is pulled to the right with 120 pounds and to the left with 30 pounds?

    asked by michellle on June 13, 2013
  20. physics

    Bill has a mass of 83.6 kg. Jane has a mass of 51.0 kg. If they are seated 4.3 m apart, how much gravitational force attracts them?

    asked by chad on April 23, 2013
  21. science

    what is the force between two coaxially charged ring separated with distance 'd'? radius of both ring = 'R'

    asked by mantosh kumar on October 30, 2012
  22. physics

    What average force is required to stop an 1900 car in 6.0 if the car is traveling at 80 ?

    asked by colleen on April 18, 2011
  23. science

    you push a 12.5 kg cart with a force of 14 N if the cart starts from rest how far does it move in 3 seconds?

    asked by Eve on November 2, 2011
  24. science

    what is the force between two coaxially charged ring separated with distance 'd'? radius of both ring = 'R'

    asked by mantosh kumar on October 30, 2012
  25. english

    she is a driving force of inspiration to the children and teenagers. Do i need an article in infront of inspiration(a or the)

    asked by flame on May 16, 2010
  26. Physics

    What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

    asked by Jacob on January 15, 2013
  27. physics

    A 50 kg skater pushed by a friend accelerates 5 m/sec. How much force did the friend apply?

    asked by Al on November 26, 2007
  28. Physics 1

    Two small particles of mass 16 kg and 27 kg are a distance 1.4 m apart. What is the gravitational force of one of these particles on the other?_____N

    asked by John on October 3, 2012
  29. Physics

    A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?

    asked by Micheal on February 17, 2012
  30. history

    against the Ku Klux Klan. Together, these were known as the _______ Acts. A. Grant B. Force C. Klan D. Reconciliation

    asked by ruby on February 2, 2012
  31. Phusics

    Does an object moving in the y direction have KE? If so if you apply a force in the Y direction will the velocity increase?

    asked by Tyler on December 2, 2012
  32. physics

    At what force would a 16k object travelling at 25mph hit a stationery object

    asked by gemma on March 6, 2015
  33. Physics

    What is the force of attraction between you and your friend steve if you are 55 kg,the mass of steve is 60 kg, and you are sitting 2.4 meters apart?

    asked by Alexandre on February 4, 2016
  34. Science

    Two equal and opposite forces of 5.0 N act on an object. What is the unbalanced force on the object?

    asked by Mary on June 30, 2010
  35. Science

    A lever has a 9-N load 1.5m from the fulcrum. Where should a 0.5N effort force be applied to balance the load?

    asked by Micheal on February 17, 2012
  36. physics

    what is the electric force exerted on a test charge of 3.86 x 10^-5 C if it is placed in an electric field of magnitude 1.75 x 10^4 N/C ?

    asked by physics on February 11, 2015
  37. Physics

    a book weighs 4 N. When held at rest in your hands, the net force on the book?

    asked by meghan on November 8, 2010
  38. Physics

    A 23.5 N force acts on a body for duration of 12.0 s. Compute the impulse that the body receives.

    asked by mocampo on July 5, 2016
  39. science

    a canoe displaces 100 L of water weighs 9.8 NL what is the bouyant force on the canoe

    asked by patience on July 28, 2012
  40. Physics

    Calculate the force between a +5 µC test point charge and this source charge at a distance of 2.00 cm. (µC = 1.0 × 10–6 C)

    asked by Pat on May 19, 2012
  41. physics

    Find the gravitational force exerted by a 0.515 kg mass on a 0.108 kg mass 1.94 m away.

    asked by John on February 24, 2012
  42. Physical Science

    What is the weight of a 4.82 kg backpack in Newton and the acceleration of the backpack if a net force of 10.0 N is applied in m/s2?

    asked by Rashida on August 29, 2014
  43. physics

    a roller whose diameter is 20 in weight 72 lbs. what horizontal force is necessary to pull the roller

    asked by peter on October 12, 2012
  44. physics

    Im confused! How would you calculate the work done by a plane? I know work= f d, i just don't know how to get the force and distance!

    asked by Maddi on November 30, 2010
  45. physical science

    If the mass of a plane is 2,500 kg and the net force on it is 14,000 N, what is the plane's acceleration?

    asked by Annabeth on May 14, 2013
  46. physic

    2. While throwing a football, you exert a forward force of 50.0 N on it and push it forward a distance of 1.2 m.

    asked by sabrina on December 23, 2010
  47. physical science

    A 2400-kg truck accelerates from 20 m/s to 35m/s in 5s. find the net force on the truck

    asked by willie langhorne on May 6, 2014
  48. Physics

    The applied force of a 2.0-kg object is 8.4 N [E] and the friction is 2.2 N [W]. What is the motion of the object? Can I use the formula Fnet = ma?

    asked by Marty on March 2, 2008
  49. Physics

    A 2.0 kg mass swinging at the end of a 0.5 m string is travelling 3.0 m/s. What is the centripetal force on the mass?

    asked by Pranathi on August 11, 2011
  50. Phyisics

    A 256 kg stone has an acceleration of 90.7 m/s2. Determine the net force acting on the stone.

    asked by Mary Ann House on February 25, 2011
  51. Phystcs

    How does the force between two objects change when the mass of one object and distance between the two object are doubled.

    asked by Anupam khatiwara on August 1, 2012
  52. Physics

    Find the gravitational force exerted by a 0.525 kg mass on a 0.109 kg mass 2.04 m away.

    asked by Anthony on November 13, 2012
  53. Physical Science

    If liquid pressure were the same at all depths, would there be a buoyant force on an object submerged in the liquid?

    asked by Sheila on October 23, 2012
  54. physics

    an object accelerates at 0.8m/s2 when a resultant force of 200n is acting on it what is the mass of the object

    asked by james on November 13, 2012
  55. physics

    A 200-kg rock is being pulled upward with an acceleration of 3 m/s2. The net force on the rock is

    asked by Anonymous on January 27, 2015
  56. physics

    How do you determine strain and stress of a spring when given force, length, and change in length?

    asked by Alex on December 7, 2009
  57. physics


    asked by PRIYANSHU on October 11, 2011
  58. Psysics (Magnetism)

    A current-carrying wire is placed in a uniform magnetic field, but there is no magnetic force on it. How is this possible?

    asked by Brooke on April 24, 2012
  59. physics

    A 1.8-kg object moves in the x direction according to the following function: x(t) = 2t2 + 3t − 5 (SI units). What is the force on the object after 2.7 s?

    asked by steph on September 10, 2014
  60. Physics

    A object of mass 2 kg experiences an acceleration of 4 m/s2. What is the net force on the mass in Newtons?

    asked by Aly on January 3, 2010
  61. Physics

    A constant friction force of 10 N acts on a 85 kg skier for 20 s. What is the skier's change in velocity?

    asked by Eleanor on January 12, 2011
  62. Physics

    A single 11 Newton force is applied to an object of mass 19 kg. What is the acceleration of this object in m/s2

    asked by Aly on January 3, 2010
  63. Science

    If James pushed a box with the acceleration of 25 m/s2 with a force of 50N, what is the mass of the box?

    asked by klk on November 15, 2010
  64. physics 11

    if you have the formula W=Fd, where W=work, F=force, and d=displacement, how do you find W if you don't have F, but you have a mass and displacement?

    asked by sierra on January 11, 2011
  65. physics

    A force of 1260 N is needed to accelerate a motorcycle at 4 m/s2. What is the mass f the motorcycle and its rider?

    asked by kamry on June 22, 2011
  66. Physics

    The force on a 0.80 m wire that is perpendicular to Earth's magnetic field is 0.12 N. What is the current in the wire?

    asked by Crystal on February 24, 2011
  67. Engineering

    i don't understand that formula can you elaborate a little bit i came out with 7.07lbs of force and i don't think that is enough. Thanks

    asked by Matt to bob pursley on September 25, 2006
  68. Physics

    A particle of mass 2 kg has an initial velocity of (4.5i + 3.5j) m/s. It is acted on by a force (5i -2j) N for 2 s. What is its final velocity?

    asked by Sabrina on October 6, 2014
  69. chemistry

    Between HF and H2O, which one has the greater intermolecular force? i know they both exhibit hydrogen-bonding, but which one is greater? thanks

    asked by andrew on January 28, 2009
  70. Physics

    Calculate the megnatic force on static electron of megnatic field of 1.4 Tesla????

    asked by Nida on September 29, 2014
  71. physics

    Bill has a mass of 66.9 kg. Jane has a mass of 58.8 kg. If they are seated 2.2 m apart, how much gravitational force attracts them?

    asked by liz on May 3, 2015
  72. Physics (work)

    Calculate the work done on a cyclist if a braking force of 40 N [backward] slows the cyclist from 20 m/s to 15 m/s in 2.0 s.

    asked by Yinka on October 24, 2018
  73. Physics

    Why doesn't a magnetic force ALWAYS act on a particle which moves in a magnetic field?

    asked by Anna on July 23, 2017
  74. Physics

    How would the sun's gravitational force on earth change if Earth had twice its present mass?

    asked by Allan Berger on October 8, 2009
  75. Physics

    A plane with a mass of 4.50 x 10^3 kg accelerates on takeoff at 10.0 m/s2. What is the net force acting on the plane?

    asked by Sarah on May 9, 2017
  76. English

    Here is the second exercise. Thank you very much for the revision. 1) John ……………………… buy the dictionary for the exam: he can take mine. 2) You ………………………stand on the left on the escalators. 3) I

    asked by Matthew on April 16, 2012
  77. Science

    How is friction involved in Volleyball? Hand touches volleyball maybe.... i know that but what type would that be?? Spinning friction orrolling friction??? The type of friction would relate to exactly how the hand comes in contact with the ball. Since

    asked by Aaron on March 26, 2007
  78. Math

    Five red balls and seven green balls are placed in a bag. Each ball is unique. A person selects 5 balls from the bag. What is the probability that all 5 balls are red? A) 1 B) 1/792 (This is a fraction) C) 1/396 (This is a fraction)

    asked by max on November 3, 2017
  79. Math quest3

    The formula for the surface area of a sphere is 4(3.14)r^2. What is the surface area of a ball with a diameter of 6 inches round? Round to nearest inch. I got. 113.04 Rounded is 113 inch

    asked by Marco on February 19, 2013
  80. Physics

    I have a projectile motion question. If let's say a cannon which was placed on a moving cart with negligible friction projects a cannonball straight up in the air where will it fall? Would it be behind the cannon, on the rider or fall straight down back

    asked by Jen on September 17, 2011
  81. 4th grade math

    For a survey, 20 students in one class were asked to name their favorite sport. the tally chart shows the result. Basket ball - 6 soccer-7 hockey - 5 volleyball - 2 suppose all 100 students in the grade were asked to name their favorite sport. how many

    asked by mythreyee on June 5, 2014
  82. science

    if a force of 50 N stretches a spring 250 mm, what is the elastic potential energy of the spring when it is stretched by 200 mm?

    asked by joey on February 10, 2011
  83. physic

    A 2.26 kg object is subjected to three forces that give it an acceleration a= −(8m/s^2)i + (6m/s^2)j. If two of the three forces are F1 = (36.2 N)i + (18N)j and F2 = −(12N)i + (8N)j,find the third force.

    asked by joy on February 27, 2018
  84. physics

    An object with a mass of 50.0 g displaces 230.0 ml of water when it is completely immersed. What is the buoyant force on the mass? (Use g = 9.8 N/kg as necessary.)

    asked by Anonymous on June 27, 2014
  85. physics

    Three equal charges are placed at the corners of an equilateral triangle 0.46 m on a side. What are the magnitude of the force on each charge if the charges are each -4.1×10-9 C?

    asked by farah on January 21, 2010
  86. physics

    A car with a mass of 1435 kg moves at 11 m/s. What braking force is needed to bring the car to a halt in 10 s?

    asked by leah on May 27, 2010
  87. Physics

    Assume that you havea mass of 65 kg. I you are standing on the surface of Earth, What is the force of gravitational attraction between you and the earth?

    asked by Abraham on January 24, 2012
  88. physics

    What is the gravitational force on a bar that is 3 meters long and has a density of 3x kg/m and lies 3 meters from a 2 kg point mass

    asked by seth on November 19, 2011
  89. Physics

    When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position?

    asked by Noxin on October 25, 2012
  90. Physics

    We can account for the energy lost to friction for a sliding object as... would it be friction force/time traveled?

    asked by Angela on September 25, 2010
  91. physics

    how to calculate the force exerted by by a man with a mass of 72 kg on the floor of a lift when the lift is accelerating downwards at 0.6 meters per second

    asked by oliver on June 25, 2013
  92. physical science

    how far was a box moved if 558.6 joules of work was done when a force 126Newtons was exerted to move the box?

    asked by Guadalupe on November 8, 2012
  93. physics

    An object is thrown vertically into the air with an applied force of 145N. what is the initial acceleration of the object?

    asked by jake on March 30, 2010
  94. Physics

    An electron is shot into a uniform magnetic field B = (.5 x + .8 y)T with an initial velocity of v = (4 x + 3 y) × 106m/s. What is the force on the electron?

    asked by Lindsey on March 21, 2013
  95. Physics

    What force is required to give a 1kg body a velocity of 5m/s after acting for 5sec? I know I can use F=mxa What do I do with the 5sec? Thanks

    asked by Steph on January 1, 2015
  96. physics

    A square with side lengths of 1.05 m has a charge of 8.00 mC at each corner. Calculate the magnitude and direction of the force on each charge

    asked by Corinne on November 22, 2014
  97. physics

    Jessica, who mass is 55 kg, is 3.50 meters away from a 0.20 kg bag of Fig Newtons. What is the gravitational force between Jessica and the cookies?

    asked by becky on March 1, 2012
  98. physics

    A 1,000 kg car accelerates uniformly to double its speed from 13.5 ms in 5.77 s. What net force acted on this car?

    asked by nofa on April 3, 2011
  99. physical

    calculate the force of gravity on a 1.2 x 10^5 kg space station at a distance of 3.5 x 10^5 m from earth's surface earth equal to 5.98 x 10^24 kg

    asked by john on September 17, 2017
  100. Physics

    A net force of 44N accelerates a 5.4-kg mass over a distance of 13 m. a. What is the increase in kinetic energy of the mass?

    asked by Anonymous on July 2, 2014