H2P-482
Conservation of energy
H2 Physics · JC 2 · Medium · Conservation of energy
A 1500 kg lorry travels up a straight slope inclined at to the horizontal at a constant speed of 12 m s. The total resistive force on the lorry is 1800 N. What is the power output of the engine?
- 4.4 × 10 W
- 8.8 × 10 W
- 1.10 × 10 W
- 1.50 × 10 W
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