A flight attendant pulls her 69n flight bag a distance of, Ask an Expert

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Q. A 1500 kg automobile travels at 90 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on brakes, and the car skids to a stop. What will be the car's stopping distance for (i) dry pavement and (ii) wet pavement?

Q. A flight attendant pulls her 69N flight bag a distance of 246m along a level airport floor at a constant velocity. The force she exerts is 37N at an angle of 58° above the horizontal. Find the coefficient of kinetic friction between flight bag and floor.

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