A man of mass 50kg ascends a flight of stains 5m high in 5 seconds.
PHYSICS
JAMB 2017
A man of mass 50kg ascends a flight of stains 5m high in 5 seconds. If acceleration due to gravity is 10ms−2 the power expended is
- A. 100w
- B. 200w
- C. 400w
- D. 500w
Correct Answer: D. 500w
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