P = F * d/t = mg * d/t
P = 4.01*9.8 * 0.21/24 = 0.3439 J/h =
9.6*10^-5 J/s.
The 4.01- kg weight that drives the time mechanism of a grandfather clock descends 21 cm in exactly 24 hours. What power is delivered to the mechanism?
1 answer