50. « A baseball player hits a 2 kg ball that is approaching with a velocity of 45 m/s. After making contact with the
bat, the ball has a velocity of 40 m/s in the opposite
direction. Seconds later, the ball is caught by an outfielder.
Who imparts a greater impulse on the ball, the batter or
the outfielder?

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i just did this and got a 100.

unlike poles attract

when jerome paddle in flowing river towards east the net speed of jerome will increase

so the net speed of jerome will be given as

now the speed of paul will be same as it is given as he is running on the ground

so

so here we can say since the speed of jerome is more so he will win the race

now as we know the distance so the time difference is given as

so jerome will reach first and the time difference will be 203.55 s or 3.4 min

that the claims meet official rules.

don't misinterpret the claims