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a disc of mass 50gm slides down from rest on an inclined plane at an angle 30°. after reaching the bottom it covers 50cm on a straight track and finally stops. if friction coefficient is 0.15 for both the planes find out work done by friction for the whole journey |
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Answer» A DISC of mass m=50g slides with the zero INITIAL velocity down an inclined plane SET at an angle α=30∘ to the HORIZONTAL, having TRAVERSED the distance l=50cm along the horizontal plane, the disc stops |
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