Which one has larger kinetic energy: a 500-kg object moving at 40 m/s or a 1000-kg object moving at 20 m/s?

Name: Which one has larger kinetic energy: a 500-kg object moving at 40 m/s or a 1000-kg object moving at 20 m/s?
Brand: Quizplus
Rating: 4.8 (61 reviews)

Question

Quizplus · Accepted Answer

The kinetic energy (KE) is given by the formula KE = 0.5 * m * v^2. For the 500-kg object, KE = 0.5 * 500 * 40^2 = 400,000 J. For the 1000-kg object, KE = 0.5 * 1000 * 20^2 = 200,000 J. Therefore, the 500-kg object has larger kinetic energy.

Which One Has Larger Kinetic Energy: a 500-Kg Object Moving