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Two masses m2 and m3 are connected by a spring of spring constant k and are placed on a frictionless horizontal surface. Initially the spring is stretched through a distance x when the system is released from rest. Find the d ...
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A chain of length l and mass m lies on the surface of smooth sphere of radius r > l with one end tied to the top of the sphere.(a) Find the gravitational potential energy of the chain with reference level at the centre of ...
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Consider two observers moving with respect to each other at a speed v along a straight line. They observe block of mass m moving at a distance l on a rough surface. which of the following quantities will be same as observed b ...
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A small block of mass m is kept on a rough inclined surface of inclination θ fixed in an elevator. The elevator goes up with the uniform velocity v and the block does not slide on the wedge. The work done by the force of fri ...
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A SMOOTH SPHERE of radius R is made to translate in a straight line with the constant accl. a . A particle kept on the top of sphere is released from there at o velocity with respect to the sphere . Find the speed of the part ...
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Consider a gravity free hall in which an experimenter of mass 50 kg is resting on a 5 kg pillow,8ft above the floor of the hall.He pushes the pillow down so that it starts falling at a speed 8 feet/sec. The pillow makes a per ...