If a ball has the same speed just before being caught and just after being thrown, in which case does the ball undergo the greatest change in momentum: (1) When it is caught, (2) when it is thrown, or (3) when it is caught and then thrown back

(3) when it is caught and then thrown back

Explanation:

Since it is known that the ball has the same speed just before being caught and just after being thrown, therefore, the change in momentum is same for the case (1) when it is caught and case (2) when it is thrown.

But the change in momentum is greatest in case (3) because it is stopped and then being returned back hence twice the change in momentum as compared to case (1) and case (2).

Therefore, the greatest change in momentum is when the ball is stopped and then thrown back.

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explanation:

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;