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A person travels along a straight road f...

A person travels along a straight road for half the distance with velocity `v_(1)` and the remaining half distance with velocity `v_(2)` the average velocity is given by

A

`v_(1)v_(2)`

B

`((v_(2))/(v_(1)))^(2)`

C

`(v_(1)+v_(2))/(2)`

D

`(2v_(1)v_(2))/(v_(1)+v_(2))`

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The correct Answer is:
D
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