A student begins at rest and then walks north with an average speed of v1 = 0.85 m/s. The student then turns south and walks with an average speed v2 = 0.45 m/s.

(a) What was the student's overall average velocity vavg, x, in m/s, for the trip assuming the student spent equal times at speeds v1 and v2?

1 answer

Refer to your text book for this