Question

A person walks first at a constant speed of 5.10 m/s along a straight line from point circle a to point circle b and then back along the line from circle b to circle a at a constant speed of 2.95 m/s.
(a) What is her average speed over the entire trip?
1 Incorrect: Your answer is incorrect. m/s

(b) What is her average velocity over the entire trip?
2 m/s

Answer 1

4.025 m/s

Answer 2

i did that, but it says incorrect.