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Q1. A gasoline engine with an efficiency of 40.0 percent operates between a high temperature T1 and a low temperature T2 = 320 K. If this engine operates with Carnot efficiency, what is the high temperature T1?

Q2. At one instant a bicyclist is 35.0m due east of a park's flagpole, going due south with a speed of 20 m/s. Then, 19 s later, the cyclist is 60.0 m due north of the flagpole, going due east with the speed of 11 m/s. For the cyclist in this 19s intervals find each of the following.

Displacement (magnitude and direction)
average velocity (magnitude and direction north of west)
average acceleration(magnitude and direction north of east)

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