Homework Help: Physics

Posted by Bala on Monday, October 4, 2010 at 1:53am.

A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 22 minutes at an average speed of 6.60 m/s. During the second part, she rides for 36 minutes at an average speed of 5.40 m/s. Finally, during the third part, she rides for 8.0 minutes at an average speed of 11.4 m/s.
What is her average velocity for the trip?

Physics - drwls, Monday, October 4, 2010 at 12:42pm
Perform a vector addition to determine the magnitude and direction of the total displacement. Divide that by the total elapsed time for the average velocity. The average velocity has both magnitude and direction. They may want both.

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