AP EAMCET Engineering 2011 Solved Paper

Section: Physics

Question : 10 of 160

Marks: +1, -0

A ball is let fall from a height h0. It makes n collisions with the earth. After n collisions it rebounds with a velocity vn and the ball rises to a height hn , then coefficient of restitution is given by

e=[
hn
h0
]1∕2n
e=[
h0
hn
]1∕2n
e=
1
n
√
hn
h0
e=
1
n
√
h0
hn

Validate

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