A 40 kg girl runs up a flight of stairs having a rise of 5 m in 4 s. T – McqOptions

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1.	A 40 kg girl runs up a flight of stairs having a rise of 5 m in 4 s. The power developed by her will be ________.(take g = 10 m/s2)
A.	100 W
B.	200 W
C.	500 W
D.	2000 W
Answer» D. 2000 W

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