First slide

Collisions

Question

A body falls on a surface of coefficient of restitution 0.6 from a height of 1 m. Then the body rebounds to a height of

Moderate

A

0.6 m
B

0.4 m
C

1 m
D

0.36 m

Solution

$h_{n} = {he}^{2 n} = 1 \times e^{2 \times 1} = 1 \times {(0 .6)}^{2} = 0 .36 m$

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