Asked by Haylee
You raise a bucket of water from the bottom of a well that is 12 m deep. The mass of the bucket and the water is 5.00 kg, and it takes 15 s to raise the bucket to the top of the well. How much power is required?
Pe= 60.00
Work= Force*direction
Pe= 60.00
Work= Force*direction
Answers
Answered by
Henry
P = F * d/t = M*g * d/t = 5*9.8 * 12/15 = 39.2 J/s = 39.2 Watts.
Answered by
hj
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Answered by
Eden
Power = Energy/Time
We have time, but we need to find the energy.
to do this use the equation for potential energy: PE = (mass)(gravity)(height)
plug in the numbers: PE = (5kg)(9.8m/s^2)(12m) = 588J
now that we have the energy, just divide it by the time! P = 588J/12s = 39.2W
hope this helps :)
We have time, but we need to find the energy.
to do this use the equation for potential energy: PE = (mass)(gravity)(height)
plug in the numbers: PE = (5kg)(9.8m/s^2)(12m) = 588J
now that we have the energy, just divide it by the time! P = 588J/12s = 39.2W
hope this helps :)
Answered by
Anonymous
O_O
Answered by
Anonymous
You raise a bucket of water from the bottom of a well that is 12 m
m
deep. The mass of the bucket and the water is 5.00 kg
k
g
, and it takes 15 s
s
to raise the bucket to the top of the well.
m
deep. The mass of the bucket and the water is 5.00 kg
k
g
, and it takes 15 s
s
to raise the bucket to the top of the well.
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