1.

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               [CPMT 1993; Pb. PET 2001]

A.          0.6 m                            
B.          0.4 m
C.          1 m                               
D.          \[{{h}_{n}}=h{{e}^{2n}}\]\[=1\times {{e}^{2\times 1}}\]= \[1\times {{(0.6)}^{2}}=0.36m\]
Answer» E.


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