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12) A trucker loses his brakes and hits the bottom of a runoff road (put there to protect against such a situation) at 150

12) A trucker loses his brakes and hits the bottom of a runoff road (put there to protect against such a situation) at 150 km/h. The runoff road is inclined at 50 and friction against the truck is approximately equal to a sliding coefficient of 0.20. If the runoff road is 100 m long, is it long enough?

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