Question

What is the mass of an object traveling at 30 m/s if it has 33,750 J of energy?

Answer 1

`m = 75" kg"`

Explanation:

Using the equation `E = 1/2mV^2`, we solve for m:

`m = 2E/V^2`

Substituting in the known values:

`m = 2(33750" J")/(30" m/s")^2`

`m = 75" kg"`