A monkey is sitting at the top of a tree 20 m high from the ground level. A person standing on the ground wants to feed the monkey. He uses a bow and arrow to launch the food to the monkey. If the person knows that the monkey is going to drop from the tree at the same instant that the person launches the food, how should the person aim the arrow containing the food?
A) He should aim it at the monkey.
B) He should aim it below the monkey.
C) He should aim it above the monkey.
D) None of the other choices is correct.

Question

Quizplus · Accepted Answer

The person should aim directly at the monkey. Since the monkey will start falling at the same time the arrow is launched, both the monkey and the arrow will be subject to the same gravitational acceleration. Thus, the arrow will follow the monkey's path and hit it if aimed directly at it.

A Monkey Is Sitting at the Top of a Tree