A ball is dropped from somewhere above a window that is 2.00 m in height. As it falls, it is visible to a person looking through the window for 200 ms as it passes by the 2.00 m height of the window. From what height above the top of the window was the ball dropped?
A)8.32 m
B)1.87 m
C)4.15 m
D)4.76 m
E)6.78 m

Question

Quizplus · Accepted Answer

The ball is visible for 200 ms while passing the 2.00 m window. Using the equations of motion, we can calculate the initial height from which the ball was dropped. The correct calculation shows that the ball was dropped from a height of 4.15 m above the top of the window.

A Ball Is Dropped from Somewhere Above a Window That