Posted by Girl on Saturday, October 8, 2011 at 2:00pm.
Multiply the average velocity, 7.64 m/s, by the time interval, 14 s.
Note: 55 km/h is actually 15.28 m/s, not 15.0
If they want the answer rounded to 2 significant figures, then using 7.5 m/s for the average velocity is OK
hhahaha
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