A car’s engine produces a useful output power of 6.5 × 10$^4$ W
The car of mass 950 kg is moving up a hill at a steady speed.
The slope of the hill is 12° to the horizontal. Resistive forces on the car are negligible.
What is the steady speed of the car?
1 )
7.0 m s$^{−1}$
2 )
12 m s$^{−1}$
34 m s$^{−1}$
4 )
68 m s$^{−1}$
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