PhysicsWork, energy and powerJAMB
A boy of mass 70 kg runs up a flight of stairs 3 m high in 7 s. Find his power.
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Answer: A. 300 W
P = mgh/t = 70 × 10 × 3/7 = 300 W.
An AdmitMe practice question, written for the JAMB syllabus. Not an official past question.