Physics Avg Velocity
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Physics Avg Velocity

[From: ] [author: ] [Date: 12-10-07] [Hit: ]
and for avg velocity you have to go by the displacement. So going a displacement of -80m after 110s is only going to give you 0.......
Problem 2.4 in this picture: http://imgur.com/H1u39
When I first worked it out I got -0.73m/s but that seems wrong.
The avg velocity formula is
Vavg=(X2-X1)/(T2-T1)

-
-0.73m/s seems to be correct, I tried the math myself.

I think it's deceiving because even though the person ran 480m over the 110s the displacement from the starting point was only 80m. and for avg velocity you have to go by the displacement. So going a displacement of -80m after 110s is only going to give you 0.73m/s
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