Work done by the force of friction on the flight bag

Reference no: EM1319955

Q1. A race car can be slowed with a constant acceleration of -11 m/s2.

(a) If the car is going 55 m/s, how many meters will it travel before it stops?

(b) How many meters will it take to stop a car going twice as fast?

Q2. A flight attendant pulls hero 70 N flight bag a distance of 253 m along a level airport floor at a constant velocity. The force she exerts is 40N at an angle of 52.0 degrees above the horizontal. Find the following:

a: work she does on the flight bag

b: work done by the force of friction on the flight bag

c: coefficient of kinetic friction between the flight bag and the floor

Reference no: EM1319955

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