A-LevelMathematicsMechanicsMay/June 2022Paper 4 Q68 Marks
A car of mass 900kg is moving up a hill inclined at sin⁻¹ 0.12 to the horizontal. The initial speed of the car is 11 ms⁻¹. After 12s, the car has travelled 150m up the hill and has speed 16ms⁻¹. The engine of the car is working at a constant rate of 24 kW.
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