A ball of mass 
is allowed to fall down from 10 
height. After collision with the ground if 
of its energy is lost; then the height reached by the ball is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Mass of ball, 
Height, 
Apply the conservation of energy
potential energy 
kinetic energy
…… .(i)
Use equation (1), we have 
The height reached by the ball is 
.
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