A man weight 800N climbs up a stairs to height of 15m in 12.5s. What is the man''s average power output?
A
667W
B
810W
C
960W
D
15000W
Verified Correct Answer: C.
Physical Principles & Numerical Solution
power = \(\frac{\text {work done}}{time}\)
= \(\frac{800 \times 15}{12.5}\)
= 960W
Source: Myschool Past Questions Archive (Record #28047)