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`        a point tranversed half the distace with a velocity a (v0).the remaining part of the distance was covered with velocity v1 for half the time,&with velocity v2for the other half of the time.Find the mean velocity of the point averaged over the whole time of motion.`
7 years ago

Chetan Mandayam Nayakar
312 Points
```										Dear Kaustav,
let d be the total distance. first half is covered in time d/2v0, let 2t be time for second half, v1t + v2t = d/2
t=d/(2(v1+v2)). mean velocity=d/((d/2v0)+ d/(v1+v2))=2v0(v1+v2)/(v1+v2+2v0)
All the best.
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```
7 years ago
SAGAR SINGH - IIT DELHI
879 Points
```										Dear kaustav,
let D be the total distance. first half is covered in time D/2v0, let 2t be time for second half, v1t + v2t = D/2
t=D/(2(v1+v2)). mean velocity=D/(D/2v0)+ D/(v1+v2))=2v0(v1+v2)/(v1+v2+2v0)

All the best.
Win exciting gifts by answering the questions on Discussion Forum. So help discuss any                      query on askiitians forum and become an Elite Expert     League            askiitian.

Sagar Singh
B.Tech, IIT Delhi

```
7 years ago
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