A 100 g bullet is fired at 400 m/s. What is its kinetic energy?
Q1. A 100 g bullet is fired at 400 m/s. What is its kinetic energy?
Answer: 8000 J
Explanation: Kinetic energy = 0.5 * m * v^2 = 0.5 * 0.1 kg * (400 m/s)^2 = 8000 J. Option B is incorrect due to miscalculation.