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
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
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