Question

A ball falls off the roof and accelerates downwards at a rate of -9.8 m/s^2. If it falls for 2.7 seconds, what displacement will it

move?

Answer 1

Step-by-step explanation:

Assuming the roof is origin and UP the positive direction

d = ½at²

d = ½(-9.8)2.7²

d = -35.721

d = -36 m