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May 7, 2015

Homework Help: physics

Posted by scott on Thursday, November 22, 2012 at 9:38pm.

A flight attendant pulls her 74.2 N flight bag
a distance of 324 m along a level airport floor
at a constant velocity. The force she exerts is
37.9 N at an angle of 55.2 above the horizon-
tal.
a) Find the work she does on the flight bag.
Answer in units of J
024 (part 2 of 3) 10.0 points
b) Find the work done by the force of friction
on the flight bag.
Answer in units of J
025 (part 3 of 3) 10.0 points
c) Find the coefficient of kinetic friction be-
tween the flight bag and the floor.

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