Homework Help: physics

Posted by Justin on Wednesday, October 6, 2010 at 7:29pm.

A boy walks a total distance of 210 km due North. His starting position is at 20 km and his final position is 34 km. If it takes him 3 hours and 20 minutes to make his trip, what is his velocity? What is his speed?

physics - bobpursley, Wednesday, October 6, 2010 at 7:43pm
his velocity= change displacement/time=(34kmN-20kmN)/3 1/3 hrs

his speed= 210/ 3 1/3 km/hr

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