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A metal sign for a car dealership is a thin, uniform right triangle with base length b and height h. The sign has mass M.
If M = 6.40kg ,b = 1.70m and h = 1.60m , what is the kinetic energy of the sign when it is rotating about an axis along the 1.60-m side at 2.00rev/s ?
show your work.
Then a second inductance L2 =10 mH is connected in parallel with L1. Find out (a) the current that the generator delivers to L1 and (b) to the parallel combination.
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A 160 kg hoop rolls along a horizontal floor so that the hoop's center of mass has a speed of 0.170 m/s. How much work must be done on the hoopto stop it?
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