A ball is dropped from rest from a tower and strikes the ground 110 m below. Approximately how many seconds does it take the ball to strike the ground after being dropped? Neglect air resistance.
A)2.50 s
B)3.50 s
C)4,74 s
D)12.5 s
E)16.0 s

Question

Quizplus · Accepted Answer

The time taken for an object to fall a certain distance under gravity can be calculated using the formula $ t = \sqrt{\frac{2h}{g}} $, where $ h $ is the height (110 m) and $ g $ is the acceleration due to gravity (approximately 9.8 m/s²). Plugging in the values, $ t = \sqrt{\frac{2 \times 110}{9.8}} \approx 4.74 $ seconds.

A Ball Is Dropped from Rest from a Tower and Strikes