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March 29, 2015

Homework Help: physics 111

Posted by bob on Friday, September 14, 2007 at 1:56am.

A runner times his speed around a circular track with a circumference of 0.508 mi. At the start he is running toward the east and the track starts bending toward the north. If he goes halfway around, he will be running toward the west. He finds that he has run a distance of 0.678 mi in 4.00 min.
i need to find average speed in m/s and average velocity in m/s at what direction from north.

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