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A person travels along a straight road f...

A person travels along a straight road for the half time with a velocity `v_(1)` and the next half time with a velocity `v_(2)`. The mean velocity v of the man is

A

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

B

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

C

`v= sqrt(v_(1)+v_(2))`

D

`v= sqrt((v_(1))/(v_(2)))`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • 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
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    B
    `((v_(2))/(v_(1)))^(2)`
    C
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    A
    `v_(1)v_(2)`
    B
    `((v_(2))/(v_(1)))^(2)`
    C
    `(v_(1)+v_(2))/(2)`
    D
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    B
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