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A car is behind a truck going 25 m/s on the highway. The driver looks for an opportunity to pass, guessing that his car can accelerate at 1.3 m/s^2, and he gauges that he has to cover the 20-{rm m} length of the truck, plus 10-{rm m} clear room at the rear of the truck and 10 {rm m} more at the front of it. In the oncoming lane, he sees a car approaching, probably also traveling at 25 m/s. He estimates that the car is about 360 m away. should he attempt to pass.

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