Question

A car is 2.2 km west of a traffic light at t = 0 and 4.2 km east of the light at t = 4.5 min. Assume the origin of the coordinate system is the light and the positive x-direction is eastward. (Express your answers in vector form.) (a) What are the car's position vectors (in km) at these two times? x(t = 0) = km x(t = 4.5 min) = km (b) What is the car's displacement (in km) between 0 min and 4.5 min?

Answer 1

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