A boy of mass 50 kg runs up a staircase of 45 steps in 9 seconds. If the height of each step is 15 cm, find the power of the boy. ( g=10 m/s2
Answers
Answered by
4
Answer:
hope this help you thanks.
Attachments:
Answered by
2
Answer:
Power of the boy is 375W
Explanation:
m=50kg
T=9s
g=10ms-²
F=mg
=> 50×10=500N
h=15m
Total height=45×15=675m
Therefore, S=675m
W=F×S=500×675=3375J
P=W/T=3375/9=375W
Similar questions