Question

A 10 kg object has 500 joules of kinetic energy because of its speed. How fast is the object traveling?

Answer 1

10m/s

Explanation:

Kinetic energy formula:
`eK= m/2*v^2`

Now...

`500J=10/2*v^2`

`500J=5v^2`

`500/5=v^2`

`100=v^2`

`v=10`