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A hoop of mass 1.5 kilogram and radius 60 centimeter has a string wrapped around its circumference and lies flat on a horizontal frictionless table. The string is pulled with a constant force of 5.0 Newton.
(a) Find how far does the center of the hoop travel in 3.0 second?
m
(b) Find the angular velocity of the hoop about its center of mass after 3.0 second?
rad/s
A machine carries a 5.0 kg package from an initial position of di = (0.50 m) i + (0.75 m) j + (0.20 m) k at t = 0 to a final position of df = (7.80 m) i + (13.0 m) j + (7.30 m) k at t = 15 s. find the power of the machine's force on the package
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