A body of mass 5 kg is moving with a velocity of 2 m/s. What will be its kinetic energy?
Correct: B
Kinetic energy (K) is given by K = 1/2 mv^2, where m is the mass and v is the velocity. Given, m = 5 kg, v = 2 m/s. Substituting these values gives K = 1/2 × 5 × (2)^2 = 10 J.