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Physics-

General

Easy

Question

The diagram to the right shows the velocity-time graph for two masses R and S that collided elastically. Which of the following statements is true? (I) R and S moved in the same direction after the collision. (II) Kinetic energy of the system (R & S) is minimum at t = 2 milli sec. (III) The mass of R was greater than mass of S.

I only
II only
I and II only
I, II and III

The correct answer is: I, II and III

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