A ball moving with velocity 
involves head-on collision with another stationary ball of double the mass. If the coefficient of restitution is 0.5, then their velocities (in 
) after the collision will be
Text Solution
Verified by ExpertsThe correct answer is:
A
Here, 
, and coefficient of restitution, 
.
Let 
and 
be their respective velocities after collision. Applying the law of conservation of linear momentum, we get
or 
or 
…(i)
By definition of coefficient of restitution,
Solving Eqs. (i) and (ii), we get
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