A 2.3 kg ball is held 20 m above the ground and released. How fast is It moving when it hits the ground?

asked Dec 13, 2022 88.6k views

2 votes

A 2.3 kg ball is held 20 m above the ground and released. How fast is

It moving when it hits the ground?

by Babon

8.3k points

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3 votes

Answer: mgh = 0.5 mv^2 solve v = square root( 2g h)

Explanation: first mass have potential energy mgh

It is converted to kinetic energy 0.5mv^2

Digdog answered Dec 20, 2022

7.7k points

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