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## Homework Statement

Larry leaves home at 11:08 and runs at a constant speed to the lamppost. He reaches the lamppost at 11:17, immediately turns, and runs to the tree. Larry arrives at the tree at 11:22. What is Larry's average velocity during his trip from home to the lamppost, if the lamppost is 371.0 m west of home, and the tree is 630.0 m east of home?

## Homework Equations

v=d/t

## The Attempt at a Solution

This is what I've done:

d=371 m

t = (9*60) = 540 s

v=371/540

=0.687 m/s

I'm just wondering what I am doing wrong can someone please help me