To determine the height of a bridge above the water, a person drops a stone and measures the time it takes for it to hit the water. If the height of the bridge is 41 m, how long will it take for the
Stone to hit the water? Neglect air resistance.
A) 3.2 s
B) 2.9 s
C) 2.3 s
D) 2.6 s
E) 3.6 s

Question

Quizplus · Accepted Answer

Using the formula $ h = \frac{1}{2}gt^2 $, where $ h = 41 $ m and $ g = 9.8 $ m/s², solving for $ t $ gives approximately 2.9 seconds.

To Determine the Height of a Bridge Above the Water