0.255 kg catcher is attached by a 45.0 cm long massless cable to a frictionless axle. The catcher is initially at rest. A 0.144 kg ball with a radius of 0.0875 m rolls without slipping from a height of 1.25

32,242 results
  1. Physics

    Joe wishes to hang a sign weighing 730 N so that cable A, attached to the store, makes a 30.0° angle, as shown below. Cable B is horizontal and attached to an adjoining building. What is the tension in cable B?

  2. Math

    A telephone pole is secured with two cables. The first cable is attached to the top of the pole and makes an angle of 70° with the ground. The cable is secured to the ground 8 m from the bottom of the pole. The second cable is attached to the top of the

  3. physics

    A flywheel with an axle 1.0cm in diameter is mounted in frictionless bearings and set in motion by applying a steady tension of 2N to a thin thread wound tightly round the axle. The moment of inertia of the system about its axis of rotation is 5.0 x 10^-4

  4. Physics

    A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 110 kg, and the coefficient of kinetic friction between the road and him is 0.825.

  5. algebra

    A wire to be attached to support a telephone pole. Because of surrounding buildings, sidewalks and roadways, the wire must be anchored exactly 21 feet from the base of the pole. Telephone company workers have only 28 feet of cable, and 2 feet of that must

  6. physics

    A disk with a mass of 29 kg and a radius of 31 cm is mounted on a frictionless horizontal axle. A string is wound many times around the disk and then attached to a 70-kg block, as shown in the figure. Find the acceleration of the block, assuming that the

  7. 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?

  8. Physics

    A cable 45.4 m long is carrying a uniformly distributed load along its span. If the cable is strung between two posts at the same level, 40 m apart, compute the smallest value that the cable may cable may sag.

  9. physics

    Two crates are connected by a massless rope that passes over a pulley as shown in the figure below. If the crates have mass 32 kg and 80 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 11 m above the floor,

  10. Physics

    a store owner wishes to hang a sign weighinh 750N so that cable A attached to the store makes a 30 degree angle from the vertical wall. cable B is attached horizontally to an ajoining building. calculate the necessary tension on cable B |.\ |30\ |...\ A

  11. Physics

    A store owner wishes to hang a sign weighing 750 N so that Cable A attached to the store makes a 30 degree angle from the vertical wall. Cable B is attached horizontally to an adjoining building. Calculate the necessaryt tension on Cable B.

  12. physics

    Two masses m and 2m are attached with each other by a rope passing over a frictionless and massless pulley. If the pulley is accelerated upwards with an acceleration ‘a’, what is the value of T?

  13. math

    working three days per week, a clerk earns $255 per week. at the same rate of pay, which expression below represents what she would earn if she worked 5 days per week? (let x represent full time earnings) 1)x=3/5(255) 2)x=5/3(255) 3)x=3(255) 4)x=5(255)

  14. physics

    An ethernet cable is 3.95 m long and has a mass of 0.190 kg. A transverse pulse is produced by plucking one end of the taut cable. The pulse makes four trips down and back along the cable in 0.820 s. What is the tension in the cable?

  15. Physics

    In the figure, the two blocks are attached by a massless rope over a frictionless pulley, and block M1 slides on the table without friction. The masses of the blocks are: M1 = 8.10kg and M2 = 3.90kg. Calculate the tension in the rope. ( g = 9.80 m/s2)

  16. mechanics

    two bodies of mass m1 and m2 are attached to two ends of a string which passes over a massless and frictionless pulley. find the acceleration of the bodies and the tension of the string. m1 is bigger than m2

  17. Physics

    3 objects with masses m1=5kg, m2=10kg and m3=15kg are attached by massless string over two frictionless pulleys. The horizontal surface is frictionless and system is released from rest. Using energy concept calculate m3 speed after it has moved down 0.4m

  18. Physics

    A string passes over a frictionless, massless pulley attached to the ceiling. A mass m1=15.0 kg hangs from one end of this string, and a second massless, frictionless pulley hangs from the other end of the string. A second string passes over the second

  19. Physics Classical Mechanics

    A crane is configured as below, with the beam suspended at two points l1 and l2 by each end of a cable passing over a frictionless pulley. The two ends of the cable each make an angle θ with the beam. A counterbalance object C with mass mC is fixed at one

  20. physics

    A uniform spherical shell of mass M = 8.00 kg and radius R = 0.550 m can rotate about a vertical axis on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 0.130 kg·m2 and radius r =

  21. physics

    suppose the moon were held in its orbit not by gravitational interaction with the Earth but by a long, mass-less cable attached to the center of the earth. What would be the tension in the cable?

  22. university physics

    To test the speed of a bullet, you create a pendulum by attaching a 4.30 kg wooden block to the bottom of a 2.90 m long, 1.90 kg rod. The top of the rod is attached to a frictionless axle and is free to rotate about that point. You fire a 10 g bullet into

  23. marhs

    A wheel is free to rotate about its fixed axle. A spring with constant k = 290 N/m is attached to one of its spokes a distance r = 23 cm from the axle, as shown in the figure. (a) Assuming that the wheel is a hoop of mass m = 490 g and radius R = 0.97 m,

  24. Physics

    A box of mass m2 = 3.1 kg rests on a frictionless horizontal shelf and is attached by strings to boxes of masses m1 = 1.6 kg and m3 = 2.6 kg as shown below. Both pulleys are frictionless and massless. The system is released from rest. After it is released,

  25. Physics

    A string that passes over a pulley has a 0.373 kg mass attached to one end and a 0.620 kg mass attached to the other end. The pulley, which is a disk of radius 9.50 cm, has friction in its axle. What is the magnitude of the frictional torque that must be

  26. physics-frictional torque

    A string that passes over a pulley has a 0.321 kg mass attached to one end and a 0.655 kg mass attached to the other end. The pulley, which is a disk of radius 9.50 cm, has friction in its axle. What is the magnitude of the frictional torque that must be

  27. physics

    As shown in the figure, blocks of masses m1 = 292.5 g and m2 = 536.7 g are attached by a massless string over a frictionless and massless pulley. The coefficients of static and kinetic friction between the block and inclined plane are 0.250 and 0.123,

  28. Physics

    A 16 kg mass is attached to a cord that is wrapped around a wheel with a radius of 10.9cm. The acceleration of the mass down the frictionless incline is measured to be 1.4 m/s2.The angle of incline is 36 degrees. Assume the axle of the wheel to be

  29. Physics

    A massless string runs around two massless, frictionless pulleys, where one pulley is attached to the ceiling, and the other is suspended with a mass m. An object with mass m = 17 kg hangs from one pulley. A force F is exerted on the free end of the string

  30. physics

    A 9.0 m uniform beam is hinged to a vertical wall and held horizontally by a 5.0 m cable attached to the wall 4.0 m above the hinge, as shown below. The metal of the cable has test strength of 1.00 KN (kilo-Newton), which is the maximum tension magnitude T

  31. geometry

    a zip line consists of a pulley attached to a cable that is strung at an angle between two objects. in the zip line at the right one end of the cable is attached to a tree. the other end is attached to a post parallel to the tree. what is the measure of

  32. Physics

    Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless, massless pulley. Block B hangs down vertically. When the two blocks are released, Block B accelerates downward at a rate of

  33. physic

    Two boxes are connected by by a massless string over a massless, frictionless pulley. Box 1 has a mass of m1 = 15.0 kg and is initially at rest at the bottom of a frictionless surface inclined at an angle θ = 30.0◦ above the horizontal. Box 2 has a mass

  34. physics

    Block A (Mass = 5.195 kg) and Block B (Mass = 3.330 kg) are attached by a massless string as shown in the diagram. Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over (you guessed it) a

  35. physics newton's third law

    Two blocks are attached to opposite ends of a massless rope that goes over a massless, frictionless, stationary pulley. One of the blocks, with a mass of 4.5 kg accelerates downward at 34g.

  36. geometry

    a 20 meter long cable is used to support a telephone pole holding it perpendicular to the ground. If the cable forms a 60grados angle with the ground how long mhigh up the pole should the cable be attached?

  37. Physics

    A 100kg mass is connected to a 200kg mass by a massless rope. The two masses rest on a frictionless surface. A (massless)rope is then attached to the 200kg mass, and is pulled. The two mass system accelerates. What is the relationship between the two

  38. AP Physics

    A uniform spherical shell of mass M and radius R rotates about a vertical axiss on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I and radius r, and is attached to a small object mass m.

  39. AP physics

    A uniform spherical shell of mass M and radius R rotates about a vertical axiss on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I and radius r, and is attached to a small object mass m.

  40. College Physics

    A string that passes over a pulley has a 0.331g mass attached to one end and a 0.625g mass attached to the other end. The pulley, which is a disk of radius 9.50cm , has friction in its axle. What is the magnitude of the frictional torque that must be

  41. Physics

    Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over a frictionless, massless pulley. Block B hangs down vertically. When the two blocks are released, Block B accelerates downward at a rate of

  42. Physics

    Block A (Mass = 3.500 kg) and Block B (Mass = 2.450 kg) are attached by a massless string Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes overa frictionless, massless pulley. Block B hangs down

  43. physics

    The figure below shows an object of mass M = 1,276 g. It is free to move along a horizontal, frictionless surface. This object is further connected to a second object with a mass of m = 1,362 g by means of a massless string that extends around a massless,

  44. Physics

    A special pulley has two discs with radii R1 = .8 m and R2 = .35 m. A rope from the R2 disc connects the pulley to a wall and a rope from the R1 disc connects the pulley to a hanging mass. The axle is frictionless. The total mass of the pulley is 15 kg. a.

  45. physics

    A cylindrical aluminum rod is attached to a wall by a hinge. A copper cable is attached to the rod at a point three-quarters of its length away from the wall and used to support the rod in a horizontal position. The diameter of the rod is 5.0 cm and its

  46. mathematics

    The diagram shows how a cable is attached to the mast of a sailing dingy. A bar pushes the cable out away from the mast. Find the total length of the cable.

  47. Physics

    A block is on the end of a massless cable that is tied to a frictionless wheel (uniform disk) as shown in the figure at right. The wheel has a radius of 0.4 m. The system is initially at rest. If the block moves downward, with a constant acceleration, a

  48. Physics

    Two masses, m1 = 25.0 kg and m2 = 45.0 kg, are attached by a massless rope over a massless pulley. The angle of the frictionless incline is α = 27.00. Assume that m2 starts at rest and falls a vertical distance of 3.00 m. Assume m1 also starts at rest and

  49. Physics

    A playground merry-go-round of radius R = 2.15 m has a moment of inertia of I = 256 kg * m2 and is rotating at 10.9 revolutions/min about a frictionless vertical axle. Facing the axle, a 29.6 kg child hops onto the merry-go-round and manages to sit down on

  50. Physics

    A 100.0 meter long transmission cable is suspended between two towers. If the mass density is 2.00 kg/m and the tension in the cable is , what is the speed in m/s of waves on the cable?

  51. Physics

    0.255 kg catcher is attached by a 45.0 cm long massless cable to a frictionless axle. The catcher is initially at rest. A 0.144 kg ball with a radius of 0.0875 m rolls without slipping from a height of 1.25 m and is captured by the catcher. For a solid

  52. Physics

    In the figure below, a wheel of radius 0.275 m is mounted on a frictionless horizontal axle. A massless cord is wrapped around the wheel and attached to a 1.95 kg box that slides on a frictionless surface inclined at angle θ = 32.7 ° with the horizontal.

  53. physics

    An 849 g mass is attached to a pulley and a 9 N weight is attached to a thin massless cord, as shown below. .5 849 g 9 N T What is the tension T? The pulley is massless and frictionless. The acceleration of gravity is 9.8 m/s 2 . Answer in units of N

  54. physics

    an initially resting 300g car is dragged along a horizontal frictionless table by a massless cord. The cord is attached to vertically hanging 60g mass by a frictionless massless pulley. If the car starts from rest, determine the time it would take for it

  55. PHY1610-2520

    an initially resting 300g car is dragged along a horizontal frictionless table by a massless cord. The cord is attached to vertically hanging 60g mass by a frictionless massless pulley. If the car starts from rest, determine the time it would take for it

  56. physics

    A brick of mass 1.19 kg is attached to a thin (massless) cable and whirled around in a circle in a vertical plane. The circle has a radius of 1.16 meters. The cable will break if the tension exceeds 45.0 Newtons. What is the maximum speed the brick can

  57. physics

    A mass m1 = 10 kg on top of a rough horizontal table surface is connected by a massless cable over a frictionless wheel to a hanging mass m2 = 5 kg, as shown in the previous problem. In m2 falls 1 m from rest in 1.2 seconds, find the co-efficient of

  58. maths

    2. A bar of uniform section is 81.4cm long and weighs 4.45 kg. A weight of 12.8 kg is suspended from one end. The bar weight combination is to be suspended from a cable attached at the balance point. a)Determine how far from the weight should the cable be

  59. general physics

    An axle of a mass of 10 kg, length 10 cm and radius .1 m is free to rotate about the axis which runs the length of the axle, throuhh it's center. A chain of mass 4kg is fastened to the axle at one end, wound exactly 6 times around the axle, and a rock of

  60. physics

    A steel beam (with linear mass density of 6.88 kg/m) has a total length of 10.0m and is suspended by two cables such that the beam hangs horizontally. Cable A is attached 1.00 m from the left end of the beam and cable B is attached 3.00 m from the right

  61. Physics

    A 50kg sign for a local business is hung from a bar which meets a wall at right angles as shown in figure 1. The bar is 1.5 meters long, and it's mass may be neglected. The center of mass of th sign is 1.0 meters from the wall (but .50 meters from the tip

  62. physics

    A playground merry-go-round of radius 2.00 m has a moment of inertia I = 255 kg·m2 and is rotating about a frictionless vertical axle. As a child of mass 25.0 kg stands at a distance of 1.00 m from the axle, the system (merry-go-round and child) rotates

  63. physics

    Acceleration of a Mass in a Pulley System Block 1 of mass m1 slides on a frictionless plane inclined at angle θ with respect to the horizontal. One end of a massless inextensible string is attached to block 1. The string is wound around a frictionless

  64. Physics

    A uniform spherical shell of mass M = 19.7 kg and radius R = 1.62 m rotates about a vertical axis on frictionless bearings. A massless cord passes around the equator of the shell, over a pulley of rotational inertia I = 1.02 kg m2 and radius r = 0.63 m,

  65. Physics

    A 70 kg person stands on a 30 kg platform and pulls on a massless rope with a force of 400 N. The rope passes around a pulley attached to a support (roof), and then around a second pulley attached to the platform before being anchored to the support

  66. trigonometry

    A tent pole is 85 feet high. A cable is attached to the ground 200 feet from the tower base. How long is the cable? What is the measure of the angle the cable makes to the ground?

  67. Geometry

    A 20 meter long cable is used to support a telephone pole, holding it perpendicular to the ground. If the cable forms a 60 degree angle with the ground, how high up the pole should the cable be attached?

  68. Physics

    A 500N person stands 2.5m from a wall against which a horizontal beam is attached. The beam is 6m long and weighs 200N. A cable is attached to the free end of the beam and makes an angle of 45 to the horizontal and is attached to the wall. 1)Determine the

  69. Physics

    An object of mass M = 1,114 g is free to move along a horizontal, frictionless surface. This object is further connected to a second object with a mass of m = 811 g by means of a massless string that extends around a massless, frictionless pulley. Find the

  70. 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.

  71. physics

    A 6 kg mass is attached to a light cord that passes over a massless, frictionless pulley. The other end of the cord is attached to a 3.5 kg mass as in Figure below. Use conservation of energy to determine the final speed of the 6kg mass after it has fallen

  72. Physicsss helppp pleaseee

    A helicopter is lifting two crates simultaneously. One crate with a mass of 151 kg is attached to the helicopter by cable A. The second crate with a mass of 79 kg is hanging below the first crate and attached to the first crate by cable B. As the

  73. Physicssss please help

    A helicopter is lifting two crates simultaneously. One crate with a mass of 151 kg is attached to the helicopter by cable A. The second crate with a mass of 79 kg is hanging below the first crate and attached to the first crate by cable B. As the

  74. Phsyicssss PLease helppp ASAP

    A helicopter is lifting two crates simultaneously. One crate with a mass of 151 kg is attached to the helicopter by cable A. The second crate with a mass of 79 kg is hanging below the first crate and attached to the first crate by cable B. As the

  75. Trig

    Problem: A cable from the top of a 60 foot high tower is to be attached to the ground (x) feet from the base of the tower. A) if the cable makes an angle of t radians with the ground when attached, express t as a function of x. B) if t = pi/5, how far is

  76. physics

    In the figure provided, a 255 kg crate, to the right of the pulley, is released from rest and begins to fall to the ground. If the mass on the left is m=100. kg, what is the magnitude of the acceleration of the 255 kg crate? Assume the rope and pulley are

  77. Physics

    Block A (Mass = 3.146 kg) and Block B (Mass = 2.330 kg) are attached by a massless string Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes overa frictionless, massless pulley. Block B hangs down

  78. Physics

    A sign is supported by a cable and a horizontal beam.The beam has a length 1.4 m and a uniform mass of12 kg.a) If the cable is attached to the beam at a distance of 1.0 m from the hinge, what is the tension in the cable? (b) If the cable breaks, what is

  79. Physics

    Block A, with a mass of 26 kg, rests on a 38° incline. The coefficient of kinetic friction is 0.46. The attached string is parallel to the incline and passes over a massless, frictionless pulley at the top. Block B, with a mass of 37 kg, is attached to

  80. Physics

    A 2kg mass is suspended on a rope that wraps around a frictionless pulley attached to the ceiling with a mass of 0.01kg and a radius of 0.25m. The other end of the rope is attached to a massless suspended platform, upon which 0.5kg weights may be placed.

  81. physics

    To test the speed of a bullet, you create a pendulum by attaching a 5.40 kg wooden block to the bottom of a 2.40 m long, 0.700 kg rod. The top of the rod is attached to a frictionless axle and is free to rotate about that point. You fire a 10 g bullet into

  82. physics

    A string that passes over a pulley has a 0.375 kg mass attached to one end and a 0.630 kg mass attached to the other end. The pulley, which is a disk of radius 9.50 cm, has friction in its axle. What is the magnitude of the frictional torque that must be

  83. physics 1

    A is hand pushing a 18.2 kg block. The two blocks, 18.2 kg and 22.0 kg, are attached to a string and move along a frictionless surface. Which of the following is true? Assume the string to be massless.

  84. physics

    A uniform, horizontal beam is 5.00m long and has a weight of 200N. The beam is hinged at one end to a wall. A 600N weight is attached to the order end of the beam. The beam is supported by cable at the end opposite the wall. The cable attaches to the wall

  85. physics

    A frictionless massless pulley has 7 kg tied to a cable on the left side and an unknown mass (M) on the right. The unknown mass accelerates downward at 6.6 m/s2 What is the accelerationof the system/tension of the rope

  86. physics

    A massless string runs around two massless, frictionless pulleys. An object with mass m = 20 kg hangs from one pulley. A force F is exerted on the free end of the string to lift the object at a constant speed by a distance of 2.3 m. What is the work done

  87. physics

    A wheel is mounted on a frictionless axle. A cord is wrapped around the wheel and a mass, m= 10kg, is attached at the end of the cord.

  88. physics

    The figure provided shows a hand pushing a 12.0 kg block. The two blocks, 12.0 kg and 26.1 kg, are attached to a string and move along a frictionless surface. Which of the following is true? Assume the string to be massless.

  89. Physics

    A 20 kg rod is 3 meters long and is attached to the wall by a hinge at point A and is held at the angle indicated by cable BC. Find the force in the cable and the forces in the x and y-directions at the hinge A. (center of mass in middle of rod downwards)

  90. Math

    Working three days per week, a clerk earns $255 per week. At the same rate of pay , which expression below represents what she would earn if she worked 5 days per week? ( let x represent full time earnings) 1. X= 3/5 (255) 2. X= 5/3(255). 3. X= 3(255). 4.

  91. physics

    A light rope is attached to a block with a mass of 6 kg that rests on a horizontal, frictionless surface. THe horizontal rope passes over a frictionless, massless pulley, and a block of mass m is suspended from the other end. When the blocks are released,

  92. College Physics

    Two crates are connected by a massless rope that passes over a pulley. If the crates have mass 33 kg and 82 kg, find their acceleration. If the system begins at rest, with the more massive crate a distance 12 m above the floor, how long does it take for

  93. physics

    Two small metal spheres with masses 2.0 and 4.0 are tied together by a 5.4--long massless string and are at rest on a frictionless surface. Each is charged to +2.4 .

  94. physics

    A disk with a mass of 16 kg and a radius of 41 cm is mounted on a frictionless horizontal axle. A string is wound many times around the disk and then attached to a 70-kg block, as shown in the figure. Find the acceleration of the block, assuming that the

  95. Physics

    Block A, with a mass of 10 kg, rests on a 36.9° incline. It is attached to a string that is parallel to the incline and passes over a massless, frictionless pulley at the top. Block B, also with a mass of 10 kg, is attached to the dangling end of the

  96. Physics

    A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 109 kg, and the coefficient of kinetic friction between the road and him is 0.621.

  97. physic

    Two boxes are connected by by a massless string over a massless, frictionless pulley. Box 1 has a mass of m1 = 15.0 kg and is initially at rest at the bottom of a frictionless surface inclined at an angle θ = 30.0◦ above the horizontal. Box 2 has a mass

  98. math

    A cable weighing 2 lb/ft is 16 ft long. If a 20-lb weight is attached to the end, find the work done in winding up the chain.

  99. physics

    Block A (Mass = 2.319 kg) and Block B (Mass = 1.870 kg) are attached by a massless string as shown in the diagram. Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over (you guessed it) a

  100. Physics

    Block A (Mass = 2.319 kg) and Block B (Mass = 1.870 kg) are attached by a massless string as shown in the diagram. Block A sits on a horizontal tabletop. There is friction between the surface and Block A. The string passes over (you guessed it) a

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