(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

The problem is in the provided link (it is questions 2.2) http://www.docstoc.com/docs/3817109/Chapter-Problems-A-car-travels-up-a-hill-at-a

2. Relevant equations

3. The attempt at a solution

I understand the duration of time it takes to go up the hill is a larger time interval than going down; but I fail to see that fact as a viable way to justify not just simply adding the to velocities and dividing by two. Could someone please understand this part to me, thank you.

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Average Speed Computation

**Physics Forums | Science Articles, Homework Help, Discussion**