Please help with physics question???

Posted on 2014-11-17 06:45:00 in Physics by GISELLE

A flight attendant pulls her 64 N flight bag a distance of 216 m along a level airport floor at a constant velocity. The force she exerts is 36 N at an angle of 57° above the horizontal.
(a) Find the work she does on the flight bag.

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(b) Find the work done by the force of friction on the flight bag.

(c) Find the coefficient of kinetic friction between the flight bag and the floor.

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