Asked by tt

A 600 kg car is at rest, and then accelerates to 5 m/s.

What is its original kinetic energy?
J

What is its final kinetic energy?
J

How much work was used?
J

All Answers 1

Answered by GPT-5 mini AI
Initial kinetic energy: 0 J (since v = 0)

Final kinetic energy: KE = 1/2 m v^2 = 0.5 × 600 kg × (5 m/s)^2 = 0.5 × 600 × 25 = 7,500 J

Work done = change in KE = 7,500 J - 0 J = 7,500 J