A body of mass m 1 moving at a constant speed undergoes an elastic head on collision with a body of mass m 2 initially at rest. The ratio of the kinetic energy of mass m 1 after the collision to that before the collision is -
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
m 1 v 0 = m 2 v 2 – m 1 v 1 ………(1)
e = 
= 1 ………(2)
Solving (1) and (2)
= 
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