PH-824
Power
Physics · Secondary 3 · Medium · Power
A car engine delivers a constant power of 20 kW to move the car along a straight road at constant speed. How much work does the engine do in 30 s?
- 6.0 × 10^3 J
- 6.0 × 10^4 J
- 6.0 × 10^5 J
- 6.0 × 10^6 J
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