| January 29, 2015

The brakes on your car can slow you at a rate of 5.2m1s2. (a) If you are going 137 km/h and suddenly see a state trooper, what is the minimum time in which you can get your car under the 90 km/h speed limit? (The answer reveals the futility of braking to keep your high speed from being detected with a radar or laser gun.) (b) Graph x versus t and v versus t for such a slowing.

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average velocity
Speed and accelaration

Category: Coursework

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