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
Correct Answer: Option C
Explanation
power = (frac{text {work done}}{time})
= (frac{800 times 15}{12.5})
= 960W