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December 19, 2014

Homework Help: Physics(check)

Posted by Jon on Sunday, March 30, 2008 at 4:26pm.

11)A race car travels on a racetrack at 38 m/s and slows at a constant rate to a velocity of 20 m/s over 10 s. How far does it move during this time?
I don't know

12)The speed of a body is the distance traveled per unit time. Which of the following would be SI units of speed?

A)meters per second
B)miles per hr
C)kg per hr
D)both A and B

I got D

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