Two friends on roller-skates are standing 5 m apart facing each other. One of them throws a ball of 2 kg towards the other, who catches it. How will this activity affect the position of the two? Explain your answer.
Q. Two friends on roller-skates are standing 5 m apart facing each other. One of them throws a ball of 2 kg towards the other, who catches it. How will this activity affect the position of the two? Explain your answer.
Ans. When one boy throws the ball towards the other boy, he moves in the backward direction to conserve linear momentum. On the other hand, the second boy who receives the ball will move away from the first boy after receiving momentum from the ball. Therefore, the distance between two friends will increase.
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