Body of mass 
is much heavier than the other body of mass 
. The heavier body with speed 
collides with the lighter body which was at rest initially elastically. The speed of lighter body after collision is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
From law of conservation of momentum,
Again, from the conservation of kinetic energy (as collision is of elastic nature),
On solving Eqs. (i) and (ii), we get
… (iii)
Now, solving Eqs. (i) and (iii), we get
As, 
So, 
and 
Hence, velocity of lighter body 
is 
.
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