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u₁ and u₂ are the velocities of approach of two moving bodies in the same direction and their corresponding velocities of separation are v₁ and v₂. As per Newton's law of collision of elastic bodies, the coefficient of restitution (e) is given by

Options:

A . `e = (V_1 - V_2)/(u_2 - u_1)`

B . `e = (u_2 - u_1)/(V_1 - V_2)`

C . `e = (V_2 - V_1)/(u_1 - u_2)`

D . `e =( V_1 - V_2)/(u_2 + u_1)`

Answer: Option C

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