O-LevelPhysicsEnergy & Work5054/11 · May/June 2018 · Q121 Mark
A student calculates his power in running up a flight of stairs. He measures the vertical height of the stairs, the time taken to run up the stairs and his weight. How does he calculate his power?
Aheight × time × weight
Bheight × weight / time
Ctime × weight / height
Dweight / (height × time)
✓ Correct answer
B: height × weight / time
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