Question
CCEA Unit 1 Paper
A person of weight 650 N climbs a flight of stairs of vertical height 4.0 m in 8.0 s.
(a) Calculate the work done against gravity by the person. (2 marks) (b) Calculate the power developed by the person. (2 marks) (c) Explain why the actual power needed is more than your answer to (b). (2 marks)
6 marks · take your time before peeking.
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Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.