How much work does gravity do on the suitcase

Reference no: EM1372657

Q. A flight attendant is pulling her suitcase with 120 N along an angle at 55 degrees above horizontal. If flight attendant pulls the suitcase for 500 m, how much work does gravity do on the suitcase?

Q. A frictionless pulley has the shape of a uniform solid disk of mass 2.1 and radius 10. A 1.10 stone is attached to a very light wire that is wrapped around rim of pulley and the system is released from rest.

How far should the stone fall so that the pulley has 6.80 of kinetic energy?

What percent of the total kinetic energy does pulley have?

Reference no: EM1372657

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