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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