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Block B in the figure(Figure 1) rests on a surface for which the static and kinetic coefficients of friction are 0.65 and 0.40, respectively. The ropes are massless.What is the maximum mass of block A for which the system is

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  1. Physics

    Block B in the figure(Figure 1) rests on a surface for which the static and kinetic coefficients of friction are 0.65 and 0.40, respectively. The ropes are massless.What is the maximum mass of block A for which the system is in equilibrium? (Consider the
  2. Physics

    The system shown in the following figure is in static equilibrium. Find the frictional force exerted on block (m1) given that the mass of block (m1) is 8.90 kg, the mass of block (m2) is 2.59 kg, and the coefficient of static friction between block (m1)
  3. physics

    A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 1.7 Hz. Block B rests on it, as shown in the figure, and the coefficient of static friction between the two is ìs=0.64. (b) What is
  4. physics

    A large block P executes horizontal simple harmonic motion as it slides across a frictionless surface with a frequency f = 1.7 Hz. Block B rests on it, as shown in the figure, and the coefficient of static friction between the two is ìs=0.64. (b) What is
  5. Physics

    A block of mass 0.40 kg rests on the inclined surface of a wedge of mass 7.0 kg. The wedge is acted on by a horizontal force F with arrow and slides on a frictionless surface. a)If the coefficient of static friction between the wedge and the block is µs =
  6. Physics

    If the coefficients of static and kinetic friction between a 20 kg block that sits on top of a 100 kg block are both essentially the same value of 0.5, determine the acceleration of each block for a force pulling on A of 60 N. Bottom block sits on a
  7. physics

    The Figure shows two blocks, block 1 and block 2, held in equilibrium by a massless, unstretchable string. The mass of block 1 is 14.2 kg, the mass of block 2 is 6.2 kg, and the angle theta is 26o The system begins to slip if any additional mass is added
  8. Physics

    A 3.66 kg block is placed on an inclined surface that makes an angle of 18.5° relative to horizontal. The coefficients of static and kinetic friction between the block and surface are 0.534 and 0.239, respectively. The block remains at rest when released.
  9. @ elena

    In the figure the coefficient of static friction between mass (MA) and the table is 0.40, whereas the coefficient of kinetic friction is 0.28 ? part a) What minimum value of (MA) will keep the system from starting to move? part b) What value of(MA) will
  10. physics

    A 3.0kg- block sits on top of a 5.0kg block which is on a horizontal surface. The 5.0-kg block is pulled to the right with a force as shown in the figure . The coefficient of static friction between all surfaces is 0.65 and the kinetic coefficient is 0.42.
  11. Physics

    Block A in the figure weighs 48.0N . The coefficient of static friction between the block and the surface on which it rests is 0.250. The weight w is 6.00N and the system remains at rest. -Find the friction force exerted on block A. -Find the maximum
  12. physics- please !

    A 3.0kg- block sits on top of a 5.0kg block which is on a horizontal surface. The 5.0-kg block is pulled to the right with a force as shown in the figure . The coefficient of static friction between all surfaces is 0.65 and the kinetic coefficient is 0.42.
  13. physics- please !

    A 3.0kg- block sits on top of a 5.0kg block which is on a horizontal surface. The 5.0-kg block is pulled to the right with a force as shown in the figure . The coefficient of static friction between all surfaces is 0.65 and the kinetic coefficient is 0.42.
  14. math

    A block of mass M1 = 2.7 kg rests on top of a second block of mass M2 = 4.7 kg, and the second block sits on a surface that is so slippery that the friction can be assumed to be zero (see the figure below). (a) If the coefficient of static friction between
  15. AP Physics B

    A penny of mass 3.1g rests on a small 28.2g block supported by a spinning disk of radius 12cm. The coefficients of friction between the block and disk are .73 (static) and .64 (kinetic) while those for the penny and black are .6 (static) and .45 (kinetic).
  16. physics

    In Figure (a), a block of mass m lies on a horizontal frictionless surface and is attached to one end of a horizontal spring (spring constant k) whose other end is fixed. The block is initially at rest at the position where the spring is unstretched (x =
  17. Physics

    The two blocks in the figure, of mass m and M respectively, are not attached, but there is a coefficient of static friction u between them. The surface below the heavier block M is frictionless. What is the minimum force magnitude F required to keep the
  18. Physics

    1. The figure shows a 100-kg block being released from rest from a height of 1.0 m. It then takes 0.53 s for it to reach the floor. What is the mass m of the block on the left? There is no friction or mass in the pulley, and the connecting rope is very
  19. physics

    The uniform block of width W and height H in the figure below rests on an inclined plane in static equilibrium. The plane is slowly raised until the block begins to tip over. Assume the tipping occurs before the block starts to slide. Find an expression
  20. Physics

    A block of mass m = 2.00 kg rests on the left edge of a block of mass M = 8.00 kg. The coefficient of kinetic friction between the two blocks is 0.300, and the surface on which the 8.00- kg block rests is frictionless. A constant horizontal force of
  21. Physics

    A block with mass M rests on a frictionless surface and is connected to a horizontal spring of force constant k, the other end of which is attached to a wall. A second block with mass m rests on top of the first block. The coefficient of static friction
  22. Physics

    1. The figure shows a 100-kg block being released from rest from a height of 1.0 m. It then takes 0.53 s for it to reach the floor. What is the mass m of the block on the left? There is no friction or mass in the pulley, and the connecting rope is very
  23. 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
  24. 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
  25. Physics

    the only part i cant figure out is the max static friction force that acts on the block. please help show me how to find it Suppose a block with mass 2.00 kg is resting on a ramp. If the coefficient of static friction between the block and the ramp is
  26. Physics plz help :(

    Q.) 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= 18 N/m. The static friction coefficient between the block and the surface is μs= 0.7 , and the kinetic
  27. physics

    Pleaseee help explain how to draw the free body diagrams for this problem!!! Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure (in the figure the 79.3kg block(m2) is on a flat surface, the 10.9kg(m1) block is pinned against the
  28. physics

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  29. Physics

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  30. Physics

    The two blocks (block 1 with volume V1 = 4 m3 and block 2 with volume V2 = 2 m3) shown in the figure are submerged completely in water so that block 1 rests just below the surface. The two blocks are connected by a thin string of negligible mass and
  31. Physics

    A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the block as a function of position x; the scale of the figure's vertical axis is set by Ks = 46.0 J. If the block's initial speed is
  32. introductory physics

    A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the block as a function of position x; the scale of the figure's vertical axis is set by Ks = 46.0 J. If the block's initial speed is
  33. Physics(IMPORTANT)

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

    A block is sent up a frictionless ramp along which an x axis extends upward. The figure below gives the kinetic energy of the block as a function of position x; the scale of the figure's vertical axis is set by Ks = 46.0 J. If the block's initial speed is
  35. physics

    the system is in static equilibrium. The coefficient of static friction between the block and the table's surface is = 1/3. The mass of the block that is hanging down is n1 Kg. The tangent of the angle shown in the figure is tan theta = n2. What is the
  36. physics help

    A 1.2-kg block slides on a horizontal surface with a speed of v=0.80m/s and an acceleration of magnitude a=3.2m/s2, as shown in (Figure 1) . av What is the coefficient of kinetic friction between the block and the surface? Express your answer to two
  37. physics

    A 450 g block is at rest on a horizontal surface. The coefficient of static friction between the block and the surface is 0.670, and the coefficient of kinetic friction is 0.380. A force of magnitude P pushes the block forward and downward as shown in the
  38. physics

    One block rests upon a horizontal surface. A second identical block rests upon the first one. The coefficient of static friction between the blocks is the same as the coefficient of static friction between the lower block and the horizontal surface. A
  39. Physics

    A block rests on a horizontal, frictionless surface. A string is attached to the block, and is pulled with a force of 45.0 N at an angle è above the horizontal, as shown in Figure 7-23. After the block is pulled through a distance of 1.50 m its speed is v
  40. Physics

    A block rests on a horizontal, frictionless surface. A string is attached to the block, and is pulled with a force of 45.0 N at an angle è above the horizontal, as shown in Figure 7-23. After the block is pulled through a distance of 1.50 m its speed is v
  41. Physics (dynamics)

    A 47.0 kg slab rests on a frictionless floor. A 18.0 kg block rests on top of the slab. The static coefficient of friction between the block and the slab is 0.50, while the kinetic coefficient of friction is 0.40. The top block is acted upon by a force of
  42. physics

    A 50 kg uniform ladder, 5.0 m long, is placed against a smooth wall at a height of h = 3.7 m. The base of the ladder rests on a rough horizontal surface whose coefficient of static friction is 0.40. An 80 kg block is suspended from the top rung of the
  43. physics

    A 50 kg uniform ladder, 5.0 m long, is placed against a smooth wall at a height of h = 3.7 m. The base of the ladder rests on a rough horizontal surface whose coefficient of static friction is 0.40. An 80 kg block is suspended from the top rung of the
  44. physics

    an 85kg concrete block rests on a flat surface with coefficient of static friction us=0.42. find the maximum force that can pull on the block with, angle of 38 degrees above the horizontal without moving the block?
  45. physics

    an 85kg concrete block rests on a flat surface with coefficient of static friction=0.42. find the maximum force that can pull on the block with, angle of 38 degrees above the horizontal without moving the block?
  46. physics (question impossible to solve)

    an 85kg concrete block rests on a flat surface with coefficient of static friction us=0.42. find the maximum force that can pull on the block with, angle of 38 degrees above the horizontal without moving the block?
  47. Physics

    A block of mass is pulled along a rough horizontal surface by a rope as sketched in the figure below. The tension in the rope is 45 N, and the coefficient of kinetic friction between the block and the surface is
  48. physics

    In the Figure the pulley has negligible mass, and both it and the inclined plane are frictionless. Block A has a mass of 1.3 kg, block B has a mass of 2.7 kg, and angle è is 26 °. If the blocks are released from rest with the connecting cord taut, what
  49. Physics

    A 5.00-kg block is placed on top of a 10.0-kg block which rests on a horizontal surface. The 5.00-kg block is tied to a wall with a horizontal string. A 45.0-N horizontal force directed away from the wall is then exerted on the 10.0-kg block. The
  50. physics

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  52. physics

    an 85kg concrete block rests on a flat surface with coefficient of static friction us=0.42. find the maximum force that can pull on the block with, angle of 38 degrees above the horizontal without moving the block? please help and show work
  53. Physics

    If a block of mass 10.0 kg rests on a horizontal surface, and the coefficient of static friction is 0.300, what is the maximum static friction that can act on the block? If you could walk me step by step on completing this problem, I would be extremely
  54. physics

    As shown in the figure, a block of mass M1 = 0.470 kg is initially at rest on a slab of mass M2 = 0.850 kg, and the slab is initially at rest on a level table. A string of negligible mass is connected to the slab, runs over a frictionless pulley on the
  55. physics

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  56. Dynamic

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  57. Science

    A Block rests on a horizontal surface.The normal force is 20 N.The coefficient of static friction between the block and the surface is 0,40 and the coefficient of dynamic friction is 0,20. What Is the magnitude of the frictional force exerted on the block
  58. mechanics

    Q2. A block of massmrests on the left edge of a block of larger massM. The coefficient of kinetic friction between the two blocks is �, and the surface on which the larger block rests is frictionless. A constant horizontal force of magnitude F is applied
  59. physics

    A 32.7-kg block (m1) is on a horizontal surface, connected to a 6.7-kg block (m2) by a massless string as shown in the Figure. The pulley is massless and frictionless. A force of 236.1 N acts on m1 at an angle of 28.7o. The coefficient of kinetic friction
  60. Physics 1

    A 50.0-kg block and 100-kg block are connected by a string as in Figure P8.36. The pulley is frictionless and of negligible mass. The coefficient of kinetic friction between the 50-kg block and incline is 0.250. Determine the change in the kinetic energy
  61. physics

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  62. Physics

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  63. phys

    Two blocks of mass m1 = 1.70 kg and m2 = 5.20 kg are connected by a massless cord passing over a frictionless pulley as shown in the figure below, with θ = 41.0°. The coefficient of kinetic friction between block 1 and the horizontal surface is 0.400,
  64. physics

    In Figure P4.30, m1 = 10.5 kg and m2 = 4.5 kg. The coefficient of static friction between m1 and the horizontal surface is 0.60 while the coefficient of kinetic friction is 0.30. Figure P4.30
  65. Physics

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  66. Physics

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  67. physics

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  69. Physics help needed

    In the figure below, block 1 of mass m1 = 3.0 kg and block 2 of mass m2 = 1.0 kg are connected by a string of negligible mass. Block 2 is pushed by force F of magnitude 30 N and angle θ = 20°. The coefficient of kinetic friction between each block and
  70. Anyone ??? Physics

    In the figure below, block 1 of mass m1 = 3.0 kg and block 2 of mass m2 = 1.0 kg are connected by a string of negligible mass. Block 2 is pushed by force F of magnitude 30 N and angle θ = 20°. The coefficient of kinetic friction between each block and
  71. physics

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  72. physics

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  73. Physics

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  74. Physics

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  75. physics

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  76. Physics

    A block of mass m1 is on top of a block of mass m2. Block 2 is connected by an ideal rope passing through a pulley to a block of unknown mass m3 as shown. The pulley is massless and frictionless. There is friction between block 1 and 2 and between the
  77. physics

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  78. Physics

    two blocks aA and B are placed as in figure, and connected by ropes to block C. Blocks A and B weigh 20 N each and the coefficient of kinetic friction between each block and surface is .40. Block C descends with an acceleration of 2 m/s2... A. Find the
  79. physics

    A block with mass = 5.0 rests on a frictionless table and is attached by a horizontal spring ( = 130N ) to a wall. A second block, of mass = 1.35 , rests on top of the block . The coefficient of static friction between the two blocks is 0.40. What is the
  80. physics

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  81. physics

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  82. physics

    A block weighing 71.5 N rests on a plane inclined at 24.1° to the horizontal. The coefficient of the static and kinetic frictions are 0.26 and 0.13 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the
  83. Physics

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  84. physics

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  85. Physics

    4. A small block of mass m=1 kg glides down (without friction) a circular track of radius R=2 m, starting from rest at height R. At the bottom of the track it hits a massless relaxed spring with spring constant k= 10 N/m, which starts to be compressed as
  86. Physics to be solved

    The block in the figure below lies on a horizontal frictionless surface and is attached to the free end of the spring, with a spring constant of 55 N/m. Initially, the spring is at its relaxed length and the block is stationary at position x = 0. Then an
  87. physics help needed very urgent !!!

    The block in the figure below lies on a horizontal frictionless surface and is attached to the free end of the spring, with a spring constant of 55 N/m. Initially, the spring is at its relaxed length and the block is stationary at position x = 0. Then an
  88. physics

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  89. Physics 12

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  90. Physics

    A 1.75-kg wooden block rests on a table over a large hole as in the figure below. A 5.20-g bullet with an initial velocity vi is fired upward into the bottom of the block and remains in the block after the collision. The block and bullet rise to a maximum
  91. physics

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  92. Physics

    Any help pleeeze!! I'm totally lost on these!! 1. A 14 g coin slides upward on a surface that is inclined at an angle of 16° above the horizontal. The coefficient of kinetic friction between the coin and the surface is 0.23; the coefficient of static
  93. Physics

    A 500 g block on a frictionless surface is attached to a rather limp spring of constant k = 8.7 N/m. A second block rests on the first, and the whole system executes simple harmonic motion with a period of 3.1 s. When the amplitude of the motion is
  94. Physic

    Block A of mass 2.2 kg is on block B of mass 5.2 kg as shown in the above figure. The lower block is on a frictionless surface while the coefficient of static friction is 0.3 between the two blocks. a) If they are moving at constant velocity, what is the
  95. physics

    A block of a mass of 1 kg rests on the inclined surface of a wedge of a mass of 2.2 kg. The wedge is acted upon by a horizontal force F and slides on a frictionless surface. The acceleration of gravity is 9.81 m/s^2. If the coefficient of static friction
  96. physics

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  97. Physics

    A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the
  98. Physics

    A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the
  99. Physics

    A block weighing 70.7 N rests on a plane inclined at 21.6° to the horizontal. The coefficient of the static and kinetic frictions are 0.23 and 0.12 respectively. What is the minimum magnitude of the force F, parallel to the plane, that will prevent the
  100. Physics

    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= 12 N/m. The static friction coefficient between the block and the surface is μs= 0.5 , and the kinetic friction

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