Mean velocity is total distance by total time. Let the total distance traveled be d. The time taken to travel half the distance (d/2) at speed vo is d/(2vo). Now another d/2 distance remains to be traveled. Now let the time taken to travel this remaining distance be t. Then (t/2)v1 + (t/2)v2 = d/2. This means that t = d/(v1 + v2).

The total time traveled thus is, d/(2vo) + d/(v1 + v2). The total distance is d. Thus, the mean velocity is,

## Tuesday, July 10, 2007

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## 5 comments:

Thanx a lot

Thanx to give the solutions

Thank you so so much.

thanks!!!!!!!!

Thanks!

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