A soccer ball is traveling at a velocity of $50 m / s$. The kinetic energy of the ball is 500 J. What is the mass of the soccer ball? (Formula: $K E=\frac{1}{2} m v^2$ )
A0.1 kg
B0.2 kg
C0.4 kg
A0.1 kg
B0.2 kg
C0.4 kg