AIPMT PRELIMS 2010 Physics Elastic and Inelastic Collisions MCQ Question
A ball moving with velocity 2 m/s collides head on with another stationary ball of double the mass. If the coefficient of restitution is 0.5 then their velocities (in m/s) after collision will be
0, 2
0, 1
1, 1
1, 0.5
Correct Answer
Detailed Explanation
Using the coefficient of restitution e = 0.5 and the conservation of momentum, the velocities after collision can be calculated. Solving the equations, we find the velocities to be 0 m/s and 1 m/s respectively.
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