1. physics

    A spring is resting vertically on a table. A small box is dropped onto the top of the spring and compresses it. Suppose the spring has a spring constant of 450 N/m and the box has a mass of 1.5 kg. The speed of the box just before it makes contact with the
  2. physics

    A spring lies on a horizontal table, and the left end of the spring is attached to a wall. The other end is connected to a box. The box is pulled to the right, stretching the spring. Static friction exists between the box and the table, so when the spring
  3. physic

    A spring lies on a horizontal table, and the left end of the spring is attached to a wall. The other end is connected to a box. The box is pulled to the right, stretching the spring. Static friction exists between the box and the table, so when the spring
  4. general physics

    The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2 and the other end is connected to box 3. The weights of the three boxes
  5. physics

    The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes
  6. physic 1

    The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes
  7. physics

    The drawing shows box 1 resting on a table, with box 2 resting on top of box 1. A massless rope passes over a massless, frictionless pulley. One end of the rope is connected to box 2, and the other end is connected to box 3. The weights of the three boxes
  8. Physics

    Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is 3.46 m horizontally from the edge of the table. Bobby compresses the spring 0.97
  9. physics help

    Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is horizontal distance D = 1.60 m from the edge of the table, see the figure. Bobby
  10. physic question

    Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. The target box is horizontal distance D = 2.15 m from the edge of the table, see the figure. Bobby
  11. Physics

    Two children are playing a game in which they try to hit a small box on the floor with a marble fired from a spring-loaded gun that is mounted on a table. (Image included with problem) The target box is 2.44 m horizontally from the edge of the table. Bobby
  12. physics

    a spring lies on a horizontal table, and the left end of the spring is attached to the wall. the other is connected to a box. the box is pulled to the right, stretching the spring static friction exists between the table and the box
  13. physic

    A box with a mass of m = 7.50 kg is set on top of a spring with a spring constant of k = 500 N/m. The box is pushed down 30.0 cm and released. (a) What is the maximum height the box reaches after being launched by the spring? (b) What is the instantaneous
  14. physic

    A box with a mass of m = 7.50 kg is set on top of a spring with a spring constant of k = 500 N/m. The box is pushed down 30.0 cm and released. (a) What is the maximum height the box reaches after being launched by the spring? (b) What is the instantaneous
  15. Physics

    A 30.0kg blcok is resting on a flat horizontal table. ON top of this block is resting a a 15.0kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 325N/m. The coefficient of kinetic friction
  16. Mechanics

    A 30.0-kg block is resting on a flat horizontal table. On top of this block is resting a 15.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 325 N/m. The coefficient of kinetic friction
  17. Physics

    A 27.0-kg block is resting on a flat horizontal table. On top of this block is resting a 13.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 310 N/m. The coefficient of kinetic friction
  18. physics

    A 30.0-kg block is resting on a flat horizontal table. On top of this block is resting a 15.0-kg block, to which a horizontal spring is attached, as the drawing illustrates. The spring constant of the spring is 340 N/m. The coefficient of kinetic friction
  19. physics

    A spring of stiffness 127 N/m, and with relaxed length 0.19 m, stands vertically on a table, as shown in the figure. Instead of compressing the spring with a heavy block, with your hand you push straight down on the spring until your hand is only 0.14 m
  20. physics

    A 11.0 kg box is resting on a horizontal table. The box is pulled directly upward by a 33.0 N force. Calculate the magnitude of the normal force being exerted on the box by the table.
  21. physics

    A 2.2 kg bowling ball is dropped vertically from a height of 1.5 m onto a long compression spring (k = 150 N/m) placed vertically underneath it. What is the maximum compression of the spring?
  22. Physics

    You push a 1kg block against a spring with spring constant k = 100 Nmon a horizontal table top. The spring is compressed to 0.2m away from its relaxed length, and then the block is released. If the horizontal table top has a coefficient of kinetic friction
  23. Physics

    There is a box resting on a table connected to a second box hanging off the edge of the table by a string that is run through a pulley. The mass of the first box is 3.50 kg. and The mass of the second box is 2.8 kg. What is the tension in the string
  24. Physics

    A spring that has a force constant of 1100 N/m is mounted vertically on the ground. A block of mass 1.90 kg is dropped from rest from height of 1.65 m above the free end of the spring. By what distance does the spring compress?
  25. Physics

    A spring that has a force constant of 1200 N/m is mounted vertically on the ground. A block of mass 1.60 kg is dropped from rest from height of 1.50 m above the free end of the spring. By what distance does the spring compress?
  26. Lakshman

    A 2M box is set on top of a 12M box. There is friction beween the masses. The 12M box is pushed against a spring. The spring is compressed a distance X by a 12 M mass. The 2M box does not slide from its position on top of the 12M mass. (the two masses are
  27. physics

    There is a box attached to a spring. The spring has a spring constant of 39 N/m. The ì between the box and the surface is 0.3. The box has a mass of 1 kg. What is the maximum distance that the spring can be stretched from equilibrium before the box begins
  28. PHYSICS

    A 75 kg box starts from the top of a ramp at point A. The coeff of fric. between surface & box is 0.275. The avg. normal force of the surface on the box (while it is on the ramp) is 3/4 of its weight. A) What is the velocity of the box right before it hits
  29. Physics

    A 23.9kg box rests on a table. A 16 kg box is placed on top of the first box, as shown. determine the total in N that the table exerts on the first box.
  30. Physics

    A spring oriented vertically is attached to a hard horizontal surface as in the figure below. The spring has a force constant of 1.64 kN/m. How much is the spring compressed when a object of mass m = 2.35 kg is placed on top of the spring and the system is
  31. Physics

    A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the table exerts on the 15.65 kg box.
  32. Physics

    A 8.8 kg box is placed on top of a 15.65 kg box (the 15.65 kg box is sitting on a table). Determine the normal force that the table exerts on the 15.65 kg box.
  33. physics please help!!

    Hung vertically, a massless spring extends by 3.00 cm when a mass of 992.0 g is attached to its lower end. The same mass and spring are then placed apart on a table. The spring is fixed in place and then the mass is given a velocity of 0.800 m/s towards
  34. physics

    A large box of mass M is pulled across a horizontal, frictionless surface by a horizontal rope with tension T. A small box of mass m sits on top of the large box. The coefficients of static and kinetic friction between the two boxes are μs and μk,
  35. Physics

    Hung vertically, a mass less spring extends by 3.00 cm a mass of 739. G is attached to its lower end. The same mass and spring are then placed apart on a table. The spring is fixed in place and then the mass is given a velocity of 0.900 m/s towards the
  36. physics multiple choice

    A person pushes horizontally with constant force P on a 230 N box resting on a frictionless horizontal floor. Which of the following statements about this box is correct? A.The box will accelerate no matter how small P is. B. The box will not accelerate
  37. physics multiple choice

    A person pushes horizontally with constant force P on a 230 N box resting on a frictionless horizontal floor. Which of the following statements about this box is correct? A.The box will accelerate no matter how small P is. B. The box will not accelerate
  38. Physics

    A 2kg begins at the top of a 1m high frictionless, inclined plane on top of a 1.5m high table. If it is loaded onto a spring with spring constant 50N/m and compressed 10 cm from equilibrium and then released, how far from the edge of the table will the
  39. Physics

    A load of 59 N attached to a spring hanging vertically stretches the spring 5 cm. The spring is now placed horizontally on a table and stretched 14 cm. What force is required to stretch it by this amount?
  40. Physics

    A load of 54 N attached to a spring hanging vertically stretches the spring 4.9 cm. The spring is now placed horizontally on a table and stretched 14 cm. What force is required to stretch it by this amount?
  41. Physics

    A load of 54 N attached to a spring hanging vertically stretches the spring 4.9 cm. The spring is now placed horizontally on a table and stretched 14 cm. What force is required to stretch it by this amount?
  42. Physics Work and Energy

    A 55 kg trampoline artist jumps vertically upward from the top of a platform with a speed of 5.5 m/s. (Ignore small changes in gravitational potential energy.) (a) How fast is he going as he lands on the trampoline, 3.0 m below? (b) If the trampoline
  43. physics

    a. How much power is generated by a motor that lifts a 300.0 kg crate vertically 8.0 meters in 6.0 seconds? b. If the crate is dropped on a large vertical spring that has a spring constant of 200,000 N/m, how far does it compress the spring?
  44. physics

    a. How much power is generated by a motor that lifts a 300.0 kg crate vertically 8.0 meters in 6.0 seconds? b. If the crate is dropped on a large vertical spring that has a spring constant of 200,000 N/m, how far does it compress the spring?
  45. physics

    A 21.6-kg box rests on a table. A 19.3-kg box is placed on top of the first box, as shown. Determine the total force in N that the boxes exert on the table. FIND f=ma for both and add them up? a=9.8 gravity rite?
  46. Physics

    A 21.6-kg box rests on a table. A 19.3-kg box is placed on top of the first box, as shown. Determine the total force in N that the boxes exert on the table. Calculate both F=m a for both masses and add them together? Assuming A=9.8
  47. physics

    A mass of 1.00kg is dropped from a height of 80cm onto a spring, of unstretched length of 20.0cm, which is resting on the floor. It comes to rest, momentarily, at a height of 10.0cm from the floor. If we can ignore friction, find the spring constant of the
  48. ipc

    a box 5 m long 2m wide and 2m high applies 12 Pa of pressure to the table that it is resting on how much force does the box exert
  49. stdfg

    A box 5 m long, 2 m wide, and 2 m high applies 12 Pa of pressure to the table that it is resting on. How much force does the box exert?
  50. Physics

    A box 5 m long, 2 m wide, and 2 m high applies 12 Pa of pressure to the table that it is resting on. How much force does the box exert?
  51. physics

    A load of 66 N attached to a spring hanging vertically stretches the spring 8.3 cm. The spring is now placed horizontally on a table and stretched 11 cm. What force is required to stretch it by this amount? Answer in units of N.
  52. physics

    A light spring with a spring constant of 105.0 N/m rests vertically on the table, as shown in (a) below. A 2.05 g balloon is filled with helium (0°C and 1 atm pressure) to a volume of 4.64 m3 and connected to the spring, causing the spring to stretch, as
  53. Physics - Spring balls

    A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it compresses the spring 44.5cm. If you release the ball from the position, how high above the equilibrium position of the spring-ball
  54. Physics - spring balls

    A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it compresses the spring 44.5cm. If you release the ball from the position, how high above the equilibrium position of the spring-ball
  55. Physics - Spring balls

    A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it compresses the spring 44.5cm. If you release the ball from the position, how high above the equilibrium position of the spring-ball
  56. Physics - spring balls

    A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it compresses the spring 44.5cm. If you release the ball from the position, how high above the equilibrium position of the spring-ball
  57. physics conceptual

    A box containing a pebble is attached to an ideal horizontal spring and is oscillating on a friction-free air table. When the box has reached its maximum distance from the equilibrium point, the pebble is suddenly lifted out vertically without disturbing
  58. physics

    A 5 kg box is pushed against a K= 40 n/m spring on a horizontal surface and the spring is compressed 0.12m. The box is released and travels for 1.4 meters before comin to a stop. What is the coefficent of friction between the floor and the box. How fast
  59. Physics

    A 0.422-kg ball with a speed of 1.31 m/s rolls across a level surface toward an open 0.348-kg box that is resting on its side. The ball enters the box, and the box (with the ball inside it) then slides across the surface a distance of 0.473 m. What is the
  60. physics

    a box whose mass is 0.3 kg is pushed against a spring(k=40n/m) on a horizontal surface and the spring is compressed 0.12m. The box is released and travels for 1.4 meters before coming to a stop. What is the coefficient of friction between the floor and the
  61. physics

    2. A spring of spring constant 220 N/m is sitting on a table. You pick it up and stretch it so that it is 8.0 cm longer than it was on the table top. How much work did it take you to stretch the spring? (Hint: This work is just negative the work done by
  62. physics

    A box weighing 69 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end. Determine the force that the table exerts on the box if the weight hanging on the other side of the pulley weighs one
  63. Physics

    A box weighing 136. N rests on a table. A rope tied to the box runs vertically upward over a massless frictionless pulley and a weight is hung from the other end. What is the force that the table exerts on the box if the weight hanging the other side of
  64. Physics

    The diagram for this problem is a pulley. On the left end Box 1 is sitting on a table and Box 2 is attached sitting on top of Box 1 and is attached to the string for the pulley. The right side has the string attached to Box 3 which is lifted off the table.
  65. math

    I need help please help me. There's a chart that has to have 16boxes. It has to be 4 by 4. Lable boxes that are vertical top to bottom 1,2,3,4 and boxes that are horizontal left to right A,B,C,D. Box 1A has to be 28,Box 1C has to be 34, box 2C has to be
  66. Physics - Eqilibrium position of a spring-ball

    A 275g ball is resting on top of the spring that is mounted on the floor. You exert a force of 325N on the ball and it compresses the spring 44.5cm. If you release the ball from the position, how high above the equilibrium position of the spring-ball
  67. Physics

    The spring of force constant k = 400 N/m is set up horizontally with a 0.300 kg mass attached on it resting on a frictionless table. The mass is pulled so that the spring is stretched 0.100 m from the equilibrium point, and is then released from rest.
  68. pysics

    A metal box attached to a small parachute is dropped from helicopter A.explain in terms of the forces acting on why its velocity increased immediately after being dropped B.why did it reach a uniform velocity after a short distance C.the total force
  69. physics

    A vertically hanging spring has a mass of 50 N hanging from it. Under these conditions, the spring stretches 10 cm. The spring is then placed on a horizontal table and stretched 20 cm. What force is required in the second scenario?
  70. Physics

    I have a question 26. A box weighing 85 N rests on a table. A rope tied to the box runs vertically upward over a pully and a weight is hung form the other end. Detrmine the force that the table exerts on the box if the weight hanging on the other side of
  71. Physics

    The target box is 2.44 m horizontally from the edge of the table. Bobby compresses the spring 1.42 cm, but the center of the marble falls 84.0 cm short of the center of the box. How far should Rhoda compress the spring to score a direct hit?
  72. Physics

    A 2.00kg mass is hanging on a vertical compressed spring 1.0 m above the floor.The spring constant is 75N/m and the spring is compressed 0.90m. The mass is released so that it falls vertically.Determine 1) The acceleration of the mass when it was dropped.
  73. Physics

    a 1.6kg box that is sliding on a friction less surface with the speed of 11m/s approaches a horizontal spring. The spring has a spring constant of 2000N/m. how far will the spring be compressed in stopping the box? How far will the spring be compressed
  74. Physics

    A 1.6kg box that is sliding on a frictionless surface with a speed of 11m/s approaches a horizontal spring. The spring has a spring constant of 2000 N/m. a. How far will the spring be compressed in stopping the box? b. How far will the spring be compressed
  75. physics

    A box,is resting on a smooth(frictionless)table.The mass of the box is 10 kg. (a)Determine the weight of the box and the normal force acting on(b)If the box is pushed down with a force of 40 Newton determine the normal force(c) If the box was pulled up
  76. Physics

    A 1.4 kg box that is sliding on a frictionless surface with a speed of 10 m/s approaches a horizontal spring. The spring has a spring constant of 2000 N/m. (a) How far will the spring be compressed in stopping the box? (b) How far will the spring be
  77. Physics

    The above spring has a spring constant of 29 N/m. The μ between the box and the surface is 0.3. The box has a mass of 1 kg. What is the maximum distance that the spring can be stretched from equilibrium before the box begins to slide back?
  78. Physics

    You are 1.9 m tall and stand 3.3 m from a plane mirror that extends vertically upward from the floor. On the floor 1.6 m in front of the mirror is a small table, 0.75 m high. What is the minimum height the mirror must have for you to be able to see the top
  79. physics

    A 1.5 kg box moves back and forth on a horizontal frictionless surface between two springs.? The box is initially compressed against the stronger spring, K=32 N/cm, 4.0 cm and released from rest. The smaller box is K=16 N/cm. A) By how much will the box
  80. spring- physics

    A 2.0-kg box rests on a plank that is inclined at an angle of 65 degrees above the horizontal. The upper end of the box is attached to a spring with a force constant of 400 N/m. If the coefficient of static friction between the box and the plank is 0.22,
  81. Spring Physics

    A 2.0 kg box rests on a plank that is inclined at an angle of 65° above the horizontal. The upper end of the box is attached to a spring with a force constant of 19 N/m, as shown in Figure 6-32. If the coefficient of static friction between the box and
  82. Science

    A force of 32.3 N is applied to a 5.87 N box resting on a table. If friction acts with a force of 2.11 N, what is the acceleration of the box?
  83. physics

    A 4.7 g bullet is fired horizontally into a 0.50 kg block of wood resting on a frictionless table. The block, which is attached to a horizontal spring, retains the bullet and moves forward, compressing the spring. The block-spring system goes into SHM with
  84. Physics

    A vertical spring with a spring constant of 410 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.26-kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.8 cm in bringing the
  85. Physics

    A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.3 cm in bringing the
  86. Physics

    A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.7 cm in bringing the
  87. Physics

    A vertical spring with a spring constant of 400 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 2.7 cm in bringing the
  88. physics

    A 250 g block is dropped onto a relaxed veritcal spring that has a spring constant of k=2.5 N/cm. The block becomes attached to the spring and compresses the spring 12 cm befor momentarily stopping. While the spring is being compressed, what work is done
  89. physics

    A block of mass m = 3.53 kg is attached to a spring which is resting on a horizontal frictionless table. The block is pushed into the spring, compressing it by 5.00 m, and is then released from rest. The spring begins to push the block back toward the
  90. Physics

    A 0.250 kilogram box has a speed of 2m/s when it is 1.2 meters from a second mass. It is sliding on a table with a coefficient of friction of 0.20. The box collides and sticks to a 0.5kg box that sits on the end of the table, causing the boxes to fall. How
  91. physics

    Two boxes are connected by a cord running over a pulley as shown in the picture below. Box I of mass 8.0 kg is on the top of the table; the coefficient of kinetic friction between box I and the table is 0.10. Box II has a mass of 15.0 kg. What is the
  92. physics

    A box is resting on a table frictionless). Determine the weight of the box and the normal force acting on it. (a) If the box was pushed down, with a force of 40N, determine again the normal force acting on the box. (b) If the box was pulled up with a force
  93. phsic

    A small steel ball bearing with a mass of 10 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.19 m. Calculate the speed at which the ball leaves the spring.
  94. Physics

    A 4.5kg box slides down a 4.1-m -high frictionless hill, starting from rest, across a 1.7-m -wide horizontal surface, then hits a horizontal spring with spring constant 490N/m . The other end of the spring is anchored against a wall. The ground under the
  95. Physics

    A spring is attached to the top of a table. The spring has a spring constant of 500.0 N/m. The spring is initially compressed by 1.50 m by a baseball (0.145 kg). How much energy is present in the system from the compression? After release, what is the
  96. Physics

    A small ball of mass m is placed on top of a large ball of mass 3m. Both balls are dropped simultaneously from a height h = 5.50 m as shown in the figure. Assuming the radius of the large ball and small are small and thus negligible in comparison to the
  97. Physics

    A vertical spring with a spring constant of 450 N/m is mounted on the floor. From directly above the spring, which is unstrained, a 0.30 kg block is dropped from rest. It collides with and sticks to the spring, which is compressed by 3.0 cm in bringing the
  98. Physics

    A block of mass m has a spring –spring constant k and length L –connected, vertically, to the bottom. The block is dropped from height h, towards the floor. Assuming the spring is stiff enough that it does not compress fully at the floor, what is the
  99. physics

    block a of mass 4kg is on a horizontal, frictionless tabletop and is placed against a spring of negligible mass and spring constant 650n/m. the other end of the spring is attacked to a wall. the block is pushed toward the wall until the spring has been
  100. physics

    A 7.75 kg(75.95 N)box is placed on a 29.7° incline on top of a lab table. The ramp is 3.11 m long, at the bottom of the incline the box slides horizontally for a short distance before rolling off the lab table. If the table is 0.84 m high, find how far