The conservation of momentum of the quarterback and the football is:
An 80-kg quarterback jumps straight up in the air right before throwing a 0.43-kg football horizontally at 15 m/s .
1. How fast will he be moving backward just after releasing the ball?
2. Which interaction will you analyze in this problem?
A. The quarterback jumping off the ground.
B. The quarterback throwing the ball.
C. The ball encountering air resistance after being thrown.
D. The quarterback landing back on the ground.
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What scientific concept do you need to know in order to solve this problem?
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