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SoccaCrazy24
Oct16-05, 10:02 PM
A grandfather clock is powered by the descent of a 4.00 kg weight.
If the weight descends through a distance of 0.750 m in 3.00 days, how much power does it deliver to the clock?
I used my equations...
P=W/t
W=F*d
therefore P = (F*d)/t
F=m*a
m=4.00 kg
a=1.116x10^-11 ????
therefore F=4.465x10^-11 ????
d=.75 meters
t=259200 seconds
P= 1.292x10^-16 ???
This is obviously not right to me.... but on the force i know its net but where along the way do i find the net force accting upon the clock.... if i can figure out F in the equation then i will have the answer... help...

whozum
Oct16-05, 10:44 PM
Where did you get that value for a? The rest is great, but you should rethink what is accelerating the 4kg weight.