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Figure shows three identical blocks 1,2 ...

Figure shows three identical blocks 1,2 & 3 each of mass m kept on frictionless surface. Block 1 is given initial velocity `v_(0)` in the direction shown. Block 1 hits block 2 and stops

A

Coefficient of restitution between block 1&2 is e=1/2

B

Coefficient of restitution between block 1&2 is e=1.

C

Maximum compression in spring is `sqrt(m/(2k))v_(0)`

D

Maximum compression in spring is `sqrt(m/k)v_(0)`

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The correct Answer is:
B, C
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