1. Physics

    A block of mass 7.5 kg is pulled along a horizontal frictionless floor by a cord that exerts a force of 31.0 N at an angle 26.3° above the horizontal. What is the magnitude of the acceleration of the block? I have nooo clue what to do for this one. Can

    asked by Lindsay on November 26, 2007
  2. science, physics

    A block of mass 0.25 kg is connected to a spring with spring constant 35 N/m. The block is oscillating on a frictionless horizontal surface. Its speed as it passes through its equilibrium position is 1.04 m/s. What's the total energy of the system?

    asked by Chase on January 8, 2013
  3. Physics

    On a frictionless table, a 3kg block moving 4m/s to the right collides with an 8kg block moving 1.5m/s to the left. If the blocks stick together, what is the final velocity? How much mechanical energy is dissipate in the collision?

    asked by ABC on January 1, 2013
  4. physics

    A 5.7 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. At time t = 0 s, the block has a displacement of -0.70 m, a velocity of -0.80 m/s, and an acceleration of +2.7 m/s2. The amplitude of the motion is

    asked by quaviz on December 6, 2012
  5. physics

    8) A 6.0-kg block initially at rest is pulled to the right along a frictionless, horizontal surface by a constant horizontal force of 12 N. Use the work-kinetic energy theorem to find the block’s speed after it has moved 3.0 m.

    asked by papy on September 20, 2014
  6. Physics

    A block of mass 0.229 kg is placed on top of a light, vertical spring of force constant 4665 N/m and pushed downward so that the spring is compressed by 0.093 m. After the block is released from rest, it travels upward and then leaves the spring. To what

    asked by beavis on March 17, 2012
  7. General Physics

    The 5 kg block in the figure slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest.What is the coefficient of friction between the block and the

    asked by Kevin on October 5, 2010
  8. physics

    A force of 8.7 N is applied to a steel block initally at rest on a horizontal frictionless surface. The force, which is directed at an angle of 30.0o below the horizontal, gives the block a horizontal acceleration of 5.3 m/s2. a) Draw a free body diagram

    asked by Kayla L on October 7, 2011
  9. Physics

    A small block on a frictionless horizontal surface has a mass of 2.50×10−2 Kg. It is attached to a massless cord passing through a hole in the surface. The block is originally revolving at a distance of 0.300 m from the hole with an angular speed of

    asked by Sarah on June 26, 2009
  10. Physics

    A car with its brakes locked will remain stationary on an inclined plane of dry concrete when the plane is at an angle of less than 45 degrees with the horizontal. What is the coefficients of static friction of rubber tires on dry concrete

    asked by Anon on October 23, 2012
  11. physics

    a body is launched up on a rough inclined plane making an angle of 30 degrees with yhe horizontal . obtain the coefficient of friction between body and the plane if the time of ascent is half of the time of descent

    asked by Anonymous on December 2, 2011
  12. PHYSICS

    A mass on a frictinless inclined ramp is connected to a rope with tension T. Complete the senteces with correct selection: -increases -decreases -stays the same a) If the block is moving up the ramp and theta=30 deg, its speed initally _________ if

    asked by Lily on September 30, 2007
  13. Physics

    MASS PUSHED BY A SPRING 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= 16 N/m. The static friction coefficient between the block and the surface is μs= 0.7 ,

    asked by john on November 2, 2013
  14. Physics

    A box of mass m slides down an inclined plane that makes an angle of φ with the horizontal. If the coefficient of kinetic friction is μk, find an expression for the acceleration of the box down the slope. The acceleration due to gravity is g. a. g (

    asked by Tom on September 23, 2016
  15. physics

    A small block of mass m = 225 g is released from rest at point circled A along the horizontal diameter on the inside of a frictionless, hemispherical bowl of radius R = 27.5 cm as shown in the figure below. (a) Calculate the gravitational potential energy

    asked by steve on October 27, 2014
  16. solid mechanics

    At a point in a strained material the principal stresses are 60MPa and 40Mpa. Find the position of the plane across which the resultant stress is most inclined to the normal and determine the value of this stress. (Ans:50degree45' with the major principal

    asked by Anand on February 16, 2014
  17. physics

    Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel

    asked by Demis on October 29, 2012
  18. Physical sciences

    A 330kg crate slides down a 30 degree inclined plane. The total length of the plane is 3,6m. The crate is kept from accelerating by a man who is pushing back on it parallel to the incline. Calculate the force exerted by the man on the piano

    asked by Nicolle on April 9, 2014
  19. pysics

    Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel

    asked by Demis on October 29, 2012
  20. Physics

    A 1.40 kg block moves in a straight line on a horizontal frictionless surface under the influence of a force that varies with position as F = 3x^2 - 2x. If the block's speed passing through the origin was 3.80 m/s, with what speed (in meters/second) does

    asked by CPhy on April 19, 2013
  21. physics

    Two blocks with masses 5 kg and 2 kg are connected (via frictionless, massless pulleys) by a light, inextensible string, as shown. There is no friction between the 5 kg block and the horizontal surface on which it moves. The tension T in the string

    asked by Anonymous on May 13, 2018
  22. physics

    A 0.21 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by x = (16 cm)cos[(16 rad/s)t + π/2 rad] What force, applied to the block by the spring, results in the given

    asked by jane on June 18, 2009
  23. Physics

    A 700g block on a 130.0 cm long string (radius) swings in a circle on a horizontal frictionless surface. If the string will break when the tension exceeds 36.0 N, at what maximum rpm can the block rotate?

    asked by Anonymous on December 11, 2011
  24. physics

    ) A 4.8 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. At time t = 0 s, the block has a displacement of -0.90 m a velocity of -0.80 m/s and an acceleration of +2.9 m/s^2. The force constant of the spring

    asked by Anonymous on December 3, 2013
  25. physics please!

    A 0.21 kg block oscillates back and forth along a straight line on a frictionless horizontal surface. Its displacement from the origin is given by x = (16 cm)cos[(16 rad/s)t + π/2 rad] What force, applied to the block by the spring, results in the given

    asked by jane on June 19, 2009
  26. chem

    How to determine maximum amplitude of oscillation of a system, using the question below? A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f=1.50Hz. Block B rest on it and the coefficient

    asked by memey on March 31, 2011
  27. pHYSICS HElp

    ***EXTRA CREDIT*** Figure 8-33 shows a 1.50 kg block at rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch of width

    asked by Kelly on April 1, 2010
  28. AP Physics

    A frictionless plane is 13.1 m long and inclined at 39.8 deg;. A sled starts at the bottom with an initial speed of 4.99 m/s up the incline. When the sled reaches the point at which it momentarily stops, a second sled is released from the top of the

    asked by Elise Brown on October 13, 2012
  29. Physics

    A 4.36 kg block free to move on a horizontal, frictionless surface is attached to one end of a light horizontal spring. The other end of the spring is fixed. The spring is compressed 0.144 m from equilibrium and is then released. The speed of the block is

    asked by Alex on October 23, 2015
  30. Physics

    A 0.500 kg block is sitting on a horizontal, frictionless surface. The block is connected to a horizontal spring with a force constant of 124 N/m. The other end of the horizontal spring rests against a wall. When a 100.0 g arrow is fired into the wooden

    asked by Jon on November 19, 2009
  31. Physics

    A 0.500 kg block is sitting on a horizontal, frictionless surface. The block is connected to a horizontal spring with a force constant of 124 N/m. The other end of the horizontal spring rests against a wall. When a 100.0 g arrow is fired into the wooden

    asked by Jon on November 20, 2009
  32. intro to physics

    In the figure, a block of mass m = 3.20 kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 431 N/m. When the block momentarily stops, it has compressed the spring by 19.5 cm. (a)

    asked by Anonymous on December 14, 2011
  33. physics

    The 2 kg block in Figure 7-25 slides down a frictionless curved ramp, starting from rest at a height of h = 3 m. The block then slides d = 12 m on a rough horizontal surface before coming to rest. Figure 7-25 (a) What is the speed of the block at the

    asked by Sierra on January 30, 2011
  34. Physics 1

    a skier of mass 70.0kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 60.0 m up a 35.0 degree slope (assumed to be frictionless) at a constant speed of 2.0m/s? The Value of g is 9.81 m/s^2?

    asked by Brisa on January 3, 2017
  35. Physics

    A block with mass m = 2.00 kg is placed against a spring on a frictionless incline with angle θ=30.0° (see figure). The block is NOT attached to the spring. The spring, with spring constant k = 19.6 N/cm, is compressed 20.0 cm from its unloaded

    asked by Andreea on November 24, 2012
  36. Physics 203

    A 4 kg block resting on a frictionless horizontal ledge is attached to a string that passes over a pulley and is attached to a hanging 2 kg block. The pulley is a uniform disk of radius 13.0 cm and mass 0.50 kg. (a) Find the speed of the 2 kg block after

    asked by Kayla on April 6, 2011
  37. Physics

    7 g bullet is fired into a 124 g block that is initially at rest at the edge of a frictionless table of height 1.3 m. The bullet remains in the block, and after impact the block lands 2.2 m from the bottom of the table. Find the initial speed of the

    asked by Hannah on May 7, 2016
  38. PHYSIC

    TWO BLOCKS ARE CONNECTED BY A LIGHT STRING THAT PASSES OVER A FRICTIONLESS PULLEY AS SHOWN IN THE DIAGRAM. THE COEFFICIENT OF KINETIC FRICTIONBETWEEN THE 6.0KG BLOCK AND THE SURFACE IS 0.25.FIND THE ACCELERATION OF THE 8-KG BLOCK AND THE TENSION OF THE

    asked by Anonymous on March 6, 2012
  39. science

    A bullet of mass 0.062 kg traveling horizontally at a speed of 150 m/s embeds itself in a block of mass 90 kg that is sitting at rest on a nearly frictionless surface What is the speed of the block after the bullet embeds itself in the block?

    asked by sara on June 25, 2014
  40. physics

    a block of mass M = 9.9 kg rests on a bracket of mass m = 5.5 kg. the bracket sits on a frictionless surface. the coefficients of friction between the block and the bracket on which it rests are .4 and .3. what is the maximum force that can be applied if

    asked by john on November 3, 2015
  41. physics

    A skier of mass 72 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 65 m up a 30° slope (assumed frictionless) at a constant speed of 2.7 m/s? (b) What power must a motor have to perform this task?

    asked by Allie on March 21, 2011
  42. physics

    A 2.00 kg aluminum block and a 5.20 kg copper block are connected by a light string over a frictionless pulley. They sit on a steel surface, where θ = 28.0°. Determine the sum of the magnitudes of the forces of friction acting on the

    asked by blair on October 24, 2009
  43. physics

    I would like to thoroughly understand each steo to solve this. In 0.750s, a 7.0kg block is pulled through a distance of 4.0m on a frictionless horizontal surface from rest. the block has a constant acceleration and is pulled by means of a horizontal spring

    asked by Inascent on November 12, 2009
  44. physics

    m1 = 2.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 40 N/m) as shown in the figure above. The other side is connected to the block m2 = 3.6 kg that hangs vertically. The system starts from rest with

    asked by joe on November 2, 2011
  45. physicss help!

    m1 = 2.7 kg block slides on a frictionless horizontal surface and is connected on one side to a spring (k = 40 N/m) as shown in the figure above. The other side is connected to the block m2 = 3.6 kg that hangs vertically. The system starts from rest with

    asked by joe on November 2, 2011
  46. physics

    solid sphere of uniform density starts from rest and rolls without slipping down an inclined plane with angle è = 30o. The sphere has mass M = 8 kg and radius R = 0.19 m . The coefficient of static friction between the sphere and the plane is ì = 0.64.

    asked by phil on April 1, 2013
  47. Physics

    Assume that the three blocks in Figure P4.27 move on a frictionless surface and that a F = 46 N force acts as shown on the m = 2.5 kg block. Figure P4.27. (a) Determine the acceleration given this system. m/s2 (to the right) (b) Determine the tension in

    asked by Avery on February 24, 2012
  48. physics

    An inquisitive physics student, wishing to combine pleasure with scientific inquiry, rides on a rollercoaster sitting on a bathroom scale. (Do not try this yourself on a rollercoaster that forbids loose heavy packages.) The bottom of the seat in the

    asked by Manny on September 19, 2010
  49. Physics

    A block of mass 5.53 kg lies on a frictionless horizontal surface. The block is connected by a cord passing a. over a pulley to another block of mass 2.25 kg which hangs in the air. Assume the cord to be light (massless and weightless) and unstretchable

    asked by Emeera on February 22, 2014
  50. trigonometry

    A box of 200kN is placed on a smooth inclined plane 28° with the horizontal. To prevent the box from sliding down the plane, a rope is tied to it and fastened to a peg on the top of the incline as shown. Determine the pull on the string assuming that the

    asked by karl on August 7, 2014
  51. physics

    A solid block of mass m2 = 1.0 $kg$, at rest on a horizontal frictionless surface, is connected to a relaxed spring (with spring constant k = 260 N/m whose other end is fixed. Another solid block of mass m1 = 2.4 kg and speed v1 = 3.3 m/s collides with the

    asked by Tay on March 22, 2014
  52. physics

    A block of mass 3.62 kg lies on a frictionless horizontal surface. The block is connected by a cord passing over a pulley to another block of mass 7.8 kg which hangs in the air, as shown. Assume the cord to be light (massless and weightless) and

    asked by alice on November 15, 2012
  53. physics

    A 3 kg block is released from rest at the top of a 20 m long frictionless ramp that is 5 m high. Find the values for the block just before it reaches ground level. (a) gravitational potential energy ----J (b) kinetic energy ----J (c) speed -----m/s (d)

    asked by Sue on November 2, 2016
  54. AP Physics

    Three blocks of masses 8.2 kg, 5.88 kg, and 2.19 kg are connected by light strings that pass over frictionless pulleys as shown in the figure. The acceleration of the 5.88 kg block is 2.18 m/s 2 to the left and the surfaces are rough. The acceleration of

    asked by . on February 6, 2012
  55. Physics

    A block is sliding along a frictionless surface at a speed of 3.6 m/s. It hits a spring of spring stiffness constant k = 150 N/m. How far has the spring compressed when the block comes to a stop?

    asked by Madi on September 13, 2013
  56. physics

    A 5-newton block is being pulled up a ramp at a constant speed. The angle between the ramp and the horizontal is 30°. If the ramp is nearly frictionless, what is the magnitude of the force needed to pull the block?

    asked by luns on July 12, 2010
  57. Physics

    My question is A block is given an intial speed of 4.0 s^-1 m up the 22 degree plane How far up the plane will it go? How much time elapses before it returns to its starting point? Ignore friction. Ok my teacher said use this to find acceleration a = g sin

    asked by Physics on July 10, 2009
  58. Physics

    skier of mass 79 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 80 m up a 30° slope (assumed frictionless) at a constant speed of 3.4 m/s? 1 J (b) What power (expressed in hp) must a motor have to perform this

    asked by Muriel on February 26, 2014
  59. physics

    A skier of mass 74.6 kg is pulled up a slope by a motor-driven cable. How much work is required to pull the skier 63.3 m up a 39.0◦ slope (assumed to be frictionless) at a constant speed of 2.0 m/s? The acceleration of gravity is 9.81 m/s 2 . Answer in

    asked by paula on January 30, 2015
  60. physics

    A skier of mass 74 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 90 m up a 30° slope (assumed frictionless) at a constant speed of 3.0 m/s? J (b) What power (expressed in hp) must a motor have to perform this

    asked by monic on October 12, 2012
  61. phys

    Doug pushes a 4.65 kg crate up a 2.00 m high 13.0° frictionless slope by pushing it with a constant horizontal force of 35.8 N. What is the speed (in m/s) of the crate as it reaches the top of the slope assuming that the local acceleration due to gravity

    asked by tc on November 10, 2011
  62. Math

    Two particles X and Y joined by a rigit rod of negligible mass, move along a smooth horizontal plane. Particle X has mass 7.7kg and is pushed by an external force Fx of magnitude 73.01N. Particle Y has mass 5.68kg and is pulled along the plane by an

    asked by Anonymous on September 7, 2012
  63. physics

    The system shown in the figure below consists of a mass M = 3.5-kg block resting on a frictionless horizontal ledge. This block is attached to a string that passes over a pulley, and the other end of the string is attached to a hanging m = 2.2-kg block.

    asked by Johnathan on January 22, 2015
  64. Physics

    A block is attached to a spring and set in motion on a horizontal frictionless surface by pulling the block back a distance 10cm from equilibrium. Now, replace the block with one double the mass and set the block into motion again by pulling the block a

    asked by Gloria on April 13, 2016
  65. Physics

    I am stumped on this homework problem and would like help at least to get me thinking in the right direction: It is a 2-D problem where a spring "plunger" is being used to propel a block forward. More specifically: the block rests against an ideal spring

    asked by Jamal on April 25, 2008
  66. Physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 23.0° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of

    asked by Tia on September 25, 2015
  67. College Physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 28.2 ° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 46.7 kg, and the coefficient of

    asked by Angela on March 16, 2012
  68. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of

    asked by rachel on January 29, 2012
  69. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 22.2° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 56.0 kg, and the coefficient of

    asked by shyne on September 29, 2012
  70. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of

    asked by Marlee on January 30, 2012
  71. physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 25.9° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 55.3 kg, and the coefficient of

    asked by Amanda on January 30, 2012
  72. Physics

    A skier is pulled up a slope at a constant velocity by a tow bar. The slope is inclined at 24.0° with respect to the horizontal. The force applied to the skier by the tow bar is parallel to the slope. The skier's mass is 60.0 kg, and the coefficient of

    asked by Lauren on February 3, 2011
  73. Physics

    Is screw a modified inclined plane?

    asked by Anonymous on December 11, 2016
  74. science

    Why is the mechanical advantage of an inclined plane less than 1

    asked by j on April 14, 2008
  75. english

    How does an inclined plane impact work?

    asked by Anonymous on April 1, 2014
  76. Physics

    a 45-kg box initially at rest is being pushed with a force of 950 N along a frictionless horizontal surface. What is the speed of the boz after traveling a distance of 2.0m

    asked by Thea on March 10, 2016
  77. physics

    A 0.330-kg block of wood rests on a horizontal frictionless surface and is attached to a spring (also horizontal) with a 29.5-N/m force constant that is at its equilibrium length. A 0.0600-kg wad of Play-Doh is thrown horizontally at the block with a speed

    asked by HELP!!! on November 30, 2012
  78. Science

    A+force+of+12+N+pulls+a+block+of+mass+3.5kg+through+a+rope+of+mass+0.5kg.+The+block+is+resting+on+a+horizontal+frictionless+surface.+what+is+the+force+of+reaction+exerted+by+the+block+on+the+rope

    asked by Shantanu on December 19, 2016
  79. physics

    A box slides down a plane 8 m long that is inclined at an angle of 30 degrees with the horizontal. If the box starts from rest and u = 0.25, find a.) the acceleration of the box, b.) it's velocity at the bottom of the plane, and c.) the time required for

    asked by Alex on October 23, 2012
  80. physics ..PLEASE HELP ASSIGN DUE SOON :(

    an object on an inclined ramp of mass 1.39kg. The angle of the inclined surface is 29deg with the horizontal. The object on the ramp is connected to a second object of mass 2.17kg on a horizontal surface below an overhang that is formed by the inclined

    asked by Angie on October 31, 2012
  81. Physics HELP!! pleasee

    an object on an inclined ramp of mass 1.39kg. The angle of the inclined surface is 29deg with the horizontal. The object on the ramp is connected to a second object of mass 2.17kg on a horizontal surface below an overhang that is formed by the inclined

    asked by Angie on October 28, 2012
  82. Physics

    1. A 3 kg block collides with a massless spring of spring constant 90 N/m attached to a wall. The speed of the block was observed to be 1.5 m/s at the moment of collision. The acceleration of gravity is 9.8 m/s^2. How far does the spring compress if the

    asked by mallak on March 15, 2014
  83. Physics check

    1)What can you say about the motion of a body if: a. its displacement-time graph is a straight line inclined with the time axis b. its velocity-time graph is a straight line inclined with the same axis. c. its velocity- time graph is a parabola A)The

    asked by Jon on April 14, 2008
  84. physics

    1. A 100 lb body is pulled up an inclined plane making an angle of 37 degrees with the horizontal by the rope that passes over the pulley at the top of the plane and is fastened to a 70lb. weight. Neglecting the effect of friction, find the acceleration of

    asked by pao on August 4, 2013
  85. Physics

    A massive steel cable drags a 20kg block across a horizontal, frictionless surface. A 100N force applied to the cable causes the block to reach a speed of 4.2m/s in a distance of 2.1m . What is the mass of the cable?

    asked by Eric on May 30, 2015
  86. Physics

    A skier of mass 70 kg is pulled up a slope by a motor-driven cable. (a) How much work is required to pull him 60m up a 30 degree slope (assumed frictionless) at a constant speed of 2.0 m/s? (b) What power must a motor have to perform this task?

    asked by Kelly on October 7, 2007
  87. physics

    A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 425 N/m. When the block momentarily stops, it has compressed the spring by 22.0 cm. (a) What is the

    asked by Anonymous on October 24, 2011
  88. PHYSICS

    A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 425 N/m. When the block momentarily stops, it has compressed the spring by 22.0 cm. (a) What is the

    asked by Anonymous on October 24, 2011
  89. physics--urgent

    A block of mass m = 3.20kg slides from rest a distance d down a frictionless incline at angle θ = 30.0° where it runs into a spring of spring constant 425 N/m. When the block momentarily stops, it has compressed the spring by 22.0 cm. (a) What is the

    asked by Anonymous on October 25, 2011
  90. physics

    In the figure, block 1 of mass m1 slides from rest along a frictionless ramp from height h = 2.8 m and then collides with stationary block 2, which has mass m2 = 2m1. After the collision, block 2 slides into a region where the coefficient of kinetic

    asked by kristy on November 13, 2013
  91. Physics

    1. A block of mass 57.1 kg rests on a slope having an angle of elevation of 28.3°. If pushing downhill on the block with a force just exceeding 162 N and parallel to the slope is sufficient to cause the block to start moving, find the coefficient of

    asked by Cameron on October 3, 2018
  92. Physics - Scott help!

    1. A block of mass 57.1 kg rests on a slope having an angle of elevation of 28.3°. If pushing downhill on the block with a force just exceeding 162 N and parallel to the slope is sufficient to cause the block to start moving, find the coefficient of

    asked by Cameron on October 3, 2018
  93. Physics

    A 4.52 kg block slides down a smooth, fric- tionless plane having an inclination of 31◦ . The acceleration of gravity is 9.8 m/s2 . Find the acceleration of the block. Answer in units of m/s2.

    asked by Alejandra on October 16, 2010
  94. physics

    As shown in the figure below, a 2.25-kg block is released from rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch

    asked by Diego on November 30, 2012
  95. Physics

    As shown in the figure below, a 2.25-kg block is released from rest on a ramp of height h. When the block is released, it slides without friction to the bottom of the ramp, and then continues across a surface that is frictionless except for a rough patch

    asked by Brionna on July 12, 2016
  96. physics

    In Figure block 1 of mass m1 slides from rest along a frictionless ramp from height h = 3.10 m and then collides with stationary block 2, which has mass m2 = 5.00m1. After the collision, block 2 slides into a region where the coefficient of kinetic

    asked by gia on February 28, 2008
  97. Re: Pig question (Physics)

    Thank you, I think I get it now. I have one more question: a kimchi container of mass 1=3.0 kg connected to a block of mass m2 by a cord looped around a frictionless pulley. The cord and pulley have negligible mass. When the container is released from

    asked by Amber on October 12, 2006
  98. physics

    A block of mass m is placed on a smooth rod of mass m .Rod is horizontal initially. Two threads holding the block inclined at 45degree.Then the right thread is burnt. Just after burning of thread find Tension of left string?

    asked by Naina on January 11, 2012
  99. physics

    A block slides down a frictionless ramp. If the ramp angle is 22 degrees and the length of it is 25m. find the speed of the block as it reaches the end of the ramp, assuming it started sliding from rest at the top.

    asked by rosie on December 10, 2010
  100. physics

    a block with a mass of 3.7 kg slides with a speed of 2.2 m/s on a frictionless surface. the block runs into a stationary spring and compresses it a certain distance before coming to rest. what is the compression distances, given that the spring has a

    asked by Ty on February 11, 2014