A tennis ball is thrown against a wall and rebounced. M(mass of
wall)*v (for ball) =2*m(mass...
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Physics
A tennis ball is thrown against a wall and rebounced. M(mass ofwall)*v (for ball) =2*m(mass of ball) * V(for wall), KE(wall)=1/2 *Mv2; KE(in)=1/2 *mV2 and
KE(out)=1/2 *mV2+1/2*Mv2 ; IfKE(in)=KE(out), Where did 1/2*Mv2 go? Is the KEconderved? Prove it.
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3.9 Ratings (707 Votes)
The scenario put by you is that of a collision between the wall and the ball In general we can view this as head on collision between a small and a massive object now your query is where did 12 M v22 go 12 M
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