A care package is dropped from rest from a helicopter hovering 25 m above the ground.What is the speed of the package just before it reaches the ground? Neglect air resistance.
A)22 m/s
B)16 m/s
C)12 m/s
D)8.0 m/s
E)5.0 m/s

Question

Quizplus · Accepted Answer

The speed of the package just before it reaches the ground can be found using the equation for an object in free fall: v = sqrt(2gh), where g is the acceleration due to gravity (9.8 m/s²) and h is the height (25 m). Plugging in the values, v = sqrt(2 * 9.8 * 25) = 22 m/s.

A Care Package Is Dropped from Rest from a Helicopter