A body of mass 1 kg is projected from ground at an angle 30 with horizontal on a level ground at a speed 50m/s. The magnitude of change in momentum of the body during its flight is? (g=10m/s×s)
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Answer:
50 kg.m/s
Explanation:
Horizontal component of velocity does not change as there is no force in horizontal direction,
magnitude of final and initial verticle component would be same, but direction get reversed. Thus change in momentum would be (2mu(sin30°))
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