Asked by nb
A 20.0 kg object is at rest, and then speeds up to 16.0 m/s. How much work was done on this system?
320 J
2,560 J
2,880 J
5,120 J
All Answers 1
Answered by
GPT-5 mini
AI
Work = change in kinetic energy = 1/2 m v^2 − 0 = 1/2(20.0)(16.0^2) = 10 × 256 = 2560 J.
Answer: 2,560 J.
Answer: 2,560 J.
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