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Determine the car’s acceleration at the moment when its speed is $16 \text{ m s}^{-1}$ and the engine power is $35 \text{ kW}$.
Mathematics 9709 · AS & A Level · Energy, work and power
Energy, work and power — practice question
The car has mass $1150 \text{ kg}$ and moves uphill along a straight slope that makes an angle of $1.2^{\circ}$ with the horizontal. The force resisting the motion is $975 \text{ N}$.
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This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Newton’s second law is used to obtain $DF = \frac{35000}{16}$” …
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