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?

Munawar asked Jul 3, 2022

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18 votes

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?

Munawar asked Jul 3, 2022

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15 votes

Answer:

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

ScheuNZ answered Jul 10, 2022

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