H2P-50
Power
H2 Physics · JC 1 · Medium · Power
A 900 kg car accelerates uniformly from 10 m s⁻¹ to 22 m s⁻¹ in 8.0 s against a constant resistive force of 400 N. What is the average power developed by the engine during this time?
- 2.8 × 10⁴ W
- 1.7 × 10⁴ W
- 2.2 × 10⁴ W
- 3.3 × 10⁴ W
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