Formula:

Kinetic Energy (KE) = 1/2 * mass (m) * velocity² (v²)

Given:

* mass (m) = 0.15 kg

* velocity (v) = 40 m/s

Calculation:

KE = 1/2 * 0.15 kg * (40 m/s)²

KE = 0.075 kg * 1600 m²/s²

KE = 120 Joules (J)

Answer: The kinetic energy of the baseball is 120 Joules.