Formula for Kinetic Energy:

Kinetic Energy (Ek) = (1/2) * mass * velocity²

Given:

* Mass (m) = 1 kg

* Velocity (v) = 10 m/s

Calculation:

Ek = (1/2) * 1 kg * (10 m/s)²

Ek = 0.5 * 1 kg * 100 m²/s²

Ek = 50 Joules (J)

Answer: The kinetic energy of the soccer ball is 50 Joules.