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Physics, 18.10.2019 18:30 aletadaboss
You may have noticed runaway truck lanes while driving in the mountains. these gravel-filled lanes are designed to stop trucks that have lost their brakes on mountain grades. typically, such a lane is horizontal (if possible) and about 38.0 m38.0 m long. think of the ground as exerting a frictional drag force on the truck. a truck enters a typical runaway lane with a speed of 53.5 mph53.5 mph ( 23.9 m/s23.9 m/s ). use the work-energy theorem to find the minimum coefficient of kinetic friction between the truck and the lane to be able to stop the truck.
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You may have noticed runaway truck lanes while driving in the mountains. these gravel-filled lanes a...
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