What’s the velocity of a ball falling with 100 joules of kinetic energy and a mass of 2 kilograms

asked May 25, 2020 21.8k views

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1 vote

Answer:

10 m

Step-by-step explanation:

Shakti answered May 25, 2020

5.4k points

4 votes

Answer:

the velocity is 10 m/s

Step-by-step explanation:

Using the expression for kinetic energy we have:

$Ek=(1)/(2) *m*v^(2) \\\\Ek=100J\\m=2kg\\v=√((2*100/2))\\ v=10[m/s]$

AshOoO answered May 31, 2020

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