Answer to Question #312889 in Physics for your gay

Question

Ariel dropped a golf ball from her second story window. The ball starts from rest and hits the sidewalk 3.5 s later with a velocity of 15.0 m/s. Find the average acceleration of the golf ball.

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Answer 1

The average acceleration of the golf ball

$$a=\frac{\Delta v}{\Delta t}=\frac{15-0}{3.5}=4.3\:\rm m/s^2$$