15 A rock falls freely from the top of a building of height 122.5 m. If the free fall acceleration equals 9.8 m/s, calculate the rock’s velocity before it reaches the ground by one second.

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asked May 6, 2022 129k views

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15 A rock falls freely from the top of a building of height 122.5 m. If the free fall acceleration equals 9.8 m/s, calculate the rock’s velocity before it reaches the ground by one second.

Physics
high-school

Daniel Becroft asked

by Daniel Becroft

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4 votes

Answer:

39.2

Step-by-step explanation:

15 A rock falls freely from the top of a building of height 122.5 m. If the free fall-example-1

Murali Ramakrishnan answered May 13, 2022

by Murali Ramakrishnan

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