5. A highly elastic ball is released from rest at a distance h above the ground and bounces up and
down. With each bounce a fraction f = 1/10 of its KE just before the bounce is lost. The time for
which the ball will continue to bounce is nearly (take g = 10m/s2, h = 5m)
1) 1 sec
2) 38 sec
3) 84.3 sec
4) 1.86 sec
Answers
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0
Answer:
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Answered by
2
Answer :
38 seconds
Explanation :
=
After first collision
Velocity changes e times of previous velocity every time
Substituting e in the equation of time, we get :
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