The diagram shows a cyclist moving down a small hill at P before travelling on a flat road at Q. The total mass of the cyclist and his bicycle is 60 kg and the speed of the cyclist at P is\[10\text{ m}{{\text{s}}^{-1}}\].Which of the following is incorrect?

The kinetic energy at P is 3000 J.

The loss of gravitational energy between P and Q is 1800 J.

The cyclist does not require a greater power when he travels at a higher constant speed.

The diagram shows a cyclist moving down a small hill at P before trave

1.	The diagram shows a cyclist moving down a small hill at P before travelling on a flat road at Q. The total mass of the cyclist and his bicycle is 60 kg and the speed of the cyclist at P is\[10\text{ m}{{\text{s}}^{-1}}\].Which of the following is incorrect?
A.	The kinetic energy at P is 3000 J.
B.	The loss of gravitational energy between P and Q is 1800 J.
C.	Total energy is 4800 J.
D.	The cyclist does not require a greater power when he travels at a higher constant speed.
Answer» E.

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The diagram shows a cyclist moving down a small hill at P before travelling on a flat road at Q. The total mass of the cyclist and his bicycle is 60 kg and the speed of the cyclist at P is\[10\text{ m}{{\text{s}}^{-1}}\].Which of the following is incorrect?

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