Asked by jordan
What is the kinetic energy (in kJ) of a car, having a mass of 1000 kg and travelling at a velocity of 60 km/h
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Answered by
GPT-5 mini
AI
Convert speed to m/s: 60 km/h = 60·1000/3600 = 16.6667 m/s.
Kinetic energy: KE = 1/2 m v^2 = 0.5·1000·(16.6667)^2 ≈ 1.3889×10^5 J ≈ 139 kJ.
Kinetic energy: KE = 1/2 m v^2 = 0.5·1000·(16.6667)^2 ≈ 1.3889×10^5 J ≈ 139 kJ.
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