Youre investigating an accident in which a 1040-kg Toyota Yaris and an 2140-kg Buick
Chapter 9, Problem 65(choose chapter or problem)
Youre investigating an accident in which a 1040-kg Toyota Yaris and an 2140-kg Buick Enclave collided at right angles in an intersection. The combined wreckage skidded 12.3 m before stopping. You measure the coefficient of friction between tires and road and find it to be 0.712. Show that at least one car must have exceeded the 55-km/h speed limit at the intersection.
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