A fireman aims his shot directly at a monkey hanging from a branch, and the monkey drops from the branch at the instant the shot is fired. The shot hits the monkey while the shot is descending, having

Question

A fireman aims his shot directly at a monkey hanging from a branch, and the monkey drops from the branch at the instant the shot is fired. The shot hits the monkey while the shot is descending, having already passed the highest point of its trajectory. At the instant the shot was at its highest point, the height of the monkey above the ground was:

TestHub · Accepted Answer

Without gravity the shot would travel along the straight aim line to the initial position of the monkey. Gravity pulls the shot 2 1 ​ g t 2 below that line, while the monkey falls the same 2 1 ​ g t 2 below its initial position. So at every instant the shot and the monkey are at the same height, including the instant the shot is at its highest point (which is also why the shot hits the monkey). Option A.

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Options:

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