Question

Two boys, Christian and John having the same mass, are on roller skates facing each other. Christian pushes John who moves away at a speed of 1.5 m/s. What is Christian’s speed?​

Answer 1

Explanation:

The separation between them will increase. Initially, the momentum of both of them is zero as they are at rest. In order to conserve the momentum the one who throws the ball would move backward. The second will experience a net force after catching the ball and therefore will move backward that is in the direction of the force.

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Answer 2

Answer:

True.

Explanation:

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by, Rijit.