Exploring Energy Concepts

A baseball has a mass of 0.3 lb. What is the kinetic energy relative to home plate of a 94 mile per hour fastball, in Btu?

Fig. P2.1

Step 1 of 2</p>

We need to find out the kinetic energy relative to home plate of a fastball.

The mass of the baseball is given as

We can convert it into SI unit,

The velocity is given as,

We can convert it into SI unit,