Question

What is the speed of a 0.15-kg baseball whose kinetic
energy is 77 J?

Answer 1

Answer:

The speed is 15.5 m/s

The kinetic energy can be written as:K =

(1/2)*m*v^2

where m is the mass and v is the speed.

Then we have that:

18 j = (1/2)*0.15kg*v^2

Now we solve this for v.

✓(18*2/0.15) = v

15.5 m/s = v

Explanation:

I hope it will help you.....