Posted by **Sonya** on Saturday, September 19, 2009 at 11:50am.

(a)A car travels exactly once around a circle of radius 5.0 m at constant speed of 3.0 m/s. What is the carâ€™s average velocity (magnitude and direction) during this interval? Explain/justify.

(b)Repeat the calculation of average velocity if the car travels halfway around the circle clockwise, if it starts out traveling due north. Make sure to again comment on the meaning of your result! In particular, compare to the speed of the car as it goes around the circular path, and comment.

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