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A particle of mass 2 kg is moving in circular path with constant speed 20 m per second the magnitude of change in velocity when particle Travels one fourth of the will be...
After completing 1/4th revolution, particle speed remains constant so change in speed will be 0 m/sec, but there is change in velocity vector... Both have same magnitude but opposite directions, so magnitude of change in velocity will be 20 m/sec
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