The quarterback with the ball in the air is an isolated system. Conservation of momentum can only be applied to the two during the launch.
An 80kg quarterback jumps straight up in the air right before throwing a 0.43-kg football horizontally at 15 m/s.
Sort the following objects as part of the system or not: quarterback, earth, air, football.
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What scientific concept do you need to know in order to solve this problem?
Our tutors have indicated that to solve this problem you will need to apply the Newton's Second Law and Momentum concept. If you need more Newton's Second Law and Momentum practice, you can also practice Newton's Second Law and Momentum practice problems.