Which interaction will you analyze in this problem?
A. The quarterback jumping off of 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.
To practice Problem-Solving Strategy 9.1 A strategy for conservation of momentum problems.
An 80-kg quarterback jumps straight up in the air right before throwing a 0.43-kg football horizontally at 15 m/s . How fast will he be moving backward just after releasing the ball?
1 Answer
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B. The quarterback throwing the ball.
EDIT: This belongs under Physics, not Chemistry.