A person walks first at a constant speed of 4.90 m/s along a straight line from point circled A to point circled B and then back along the line from circled B to circled A at a constant speed of 2.85 m/s.

(a) What is her average speed over the entire trip?
(b) What is her average velocity over the entire trip?

Question

A person walks first at a constant speed of 4.90 m/s along a straight line from point circled A to point circled B and then back along the line from circled B to circled A at a constant speed of 2.85 m/s.

(a) What is her average speed over the entire trip?
(b) What is her average velocity over the entire trip?

anonymous · Answer

Speed would be totaldistance/time
Average Velocity would be zero as the person got back to his initial position