Homework Help: physics

Posted by Anonymous on Friday, August 26, 2011 at 6:45pm.

A motorist drives north for 40.0 min at 90.0 km/h and then stops for 15.0 min. He then continues north, traveling 130 km in 2.00 h.

(a) What is his total displacement?(b) What is his average velocity?

physics - bobpursley, Friday, August 26, 2011 at 7:45pm
total displacement= 40/60 * 90 + 120*2 N

avg velocity= total dislacement/total time

Total time is 3 hrs.

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