Question

How many kinetic energy is possessed by a 3.5 kilograms cart traveling at 2.5 meters per second?

Answer 1

We use the formula, `E_k = 1/2mv^2`

Explanation:

So `E_k = 1/2 xx 3.5 xx 2.5^2 = 10.9` J

Not too hard once you know how.