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March 30, 2015

March 30, 2015

Posted by **pavatharani** on Sunday, July 3, 2011 at 10:22am.

- physics -
**Damon**, Sunday, July 3, 2011 at 10:52amdo + d1 +d2 = d

do = d/2

d1+d2 = d/2

to + t1 + t2 = t

to = do/Vo = d/2Vo

t2 = t1

t1 = d1/V1

t2 = d2/V2

so

d1/V1 =d2/V2

d2 = d1 V2/V1

so

t = d/2Vo + d1/V1 + d2/V2

average speed = d/t

= d / (d/2Vo + d1/V1 + d2/V2)

or

d/(d/2Vo + 2 d1/V1)

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