Physics, asked by Naman53231, 18 days ago

A rotating ball hits a rough horizontal plane with a vertical and angular velocity w given that coefficient of friction is u and the vertical component of the velocity is v/2 find

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Answered by sp5255451

Let J1 be the horizontal impulse and J2 be the vertical impulse. J1=uJ2, J2=mv/2, let angular velocity after collision=w2, angular impulse=RJ1=uRJ2=umvR/2=(2mR2/5)(w-w2),5uv=4R(w-w2), w2=w-(5uv/4R), J=√(J12+J22)=(mv/2)√(1+u2)

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