Two friends, Al and Jo, have a combined mass of 166 kg. At the ice skating...

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Physics

Two friends, Al and Jo, have a combined mass of 166 kg. At theice skating rink, they stand close together on skates, at rest andfacing each other. Using their arms, they push on each other for 1second and move off in opposite directions. Al moves off with aspeed of 5.9 m/sec in one direction and Jo moves off with a speedof 9.7 m/sec in the other. You can assume friction isnegligible.
1)What is Al's mass? kg
2)What is Jo's mass? kg
3)If you assume the force is constant during the 1 second theyare pushing on each other, what is the magnitude of the force of Alon Jo? N
4)If you assume the force is constant during the 1 second theyare pushing on each other, what is the magnitude of the force of Joon Al? N

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4.1 Ratings (640 Votes)

1 Let m1 be mass of Al and m2 be mass of Jo m1m2 166 so m2 166 m1 According to law of conservation of momentum the sum of initialmomentum sum of final momentum Sum of See Answer

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