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January 27, 2015

January 27, 2015

Posted by **tyler** on Tuesday, August 21, 2012 at 9:36pm.

- physics -
**Elena**, Wednesday, August 22, 2012 at 5:21amt1=s1/v1=125/4=31.25 s.

t2= s2/v2=125/4.5=27.78 s.

t3= s3/v3=125/5.5=22.73 s.

t=31.25 +27.78+22.73=81.76

v(ave) =total distance/ time taken = 125•3/81.76=4.59 m/s

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