Hii!!
A boy of mass 50kg runs up a staircase of 45 steps in 9 seconds. If the height of each step is 15cm, find his power.
Take g = 10m s^-2
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marked this question..as if nobody answers , i will
337500 watt
375 W
sry 3375 Watt
ya it 375 watt
Answers
Answered by
3
Hey!!
__________
Here is your answer!!!
________________
TOTAL height = 45×15= 675cm=6.75m
W =m*g*h
=50*10*6.75
=3375N
P=w/t
=3375/9
=375W
__________
I hope it will help you!!!
__________
Here is your answer!!!
________________
TOTAL height = 45×15= 675cm=6.75m
W =m*g*h
=50*10*6.75
=3375N
P=w/t
=3375/9
=375W
__________
I hope it will help you!!!
Thanks
My pleasure
:-)
Answered by
2
heya here's your answer
the mass of boy = 50kg
total steps = 45
height of each step = 15cm
total time taken =9 sec.
so total distance = 45*15 = 675=6.75m
so power = mgh/t
=> 50*10*675/9*100
= 337500/900
= 375 w
hope this helps you
the mass of boy = 50kg
total steps = 45
height of each step = 15cm
total time taken =9 sec.
so total distance = 45*15 = 675=6.75m
so power = mgh/t
=> 50*10*675/9*100
= 337500/900
= 375 w
hope this helps you
Thanks :)
welcm
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