Two blocks of masses 2 kg each are moving in opposite direction with equal speed collides at t
= 5 sec. The magnitude of relative velocity (v) is plotted against time 't'. The loss in kinetic energy is K and coefficient of restitution in e, then –
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(a,d)
As relative velocity after collision (t = 5 sec) becomes zero, therefore e = 0
Now, 
K loss = 
× 
× (u 1 – u 2 ) 4 (1 – e 2 )
= 
× 
× (4) 2 × (1 – 0) = 8 J
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