A 5 kg block is moving at 2 m/s on a frictionless surface. What is its kinetic energy?
Q1. A 5 kg block is moving at 2 m/s on a frictionless surface. What is its kinetic energy?
Answer: 10 J
Explanation: Kinetic energy = 1/2 mv² = 1/2 * 5 * 2² = 10 J, using the formula for kinetic energy.