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  3. 3 a driver traveling at 25 mph behind another car...

Question: 3 a driver traveling at 25 mph behind another car...

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3. A driver traveling at 25 mph behind another car decides to pass it and presses the accelerator to the floor. Assuming that the accelerating behavior of the vehicle may be described by dv -4-0.05 dt where v is the speed in ft/sec and t is the time in seconds a. Find the rate at which the vehicle is accelerating after 3 sec. b. How long would it take the vehicle to reach a speed of 50 mph?

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