Question
Download Solution PDFA 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)Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDF→ Given data -
- Mass, m = 40 kg
Height, h = 5m
Time, t = 4s
- Work done, W = mgh
W = 40 × 10 × 5 [g = 10 m/s2, given]
W = 2000 joules
→ Power, P = work done /time
P = 2000/4
P = 500 joule/sec
P = 500 WLast updated on Jun 2, 2025
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