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A body falls freely under gravity and moves for n sec. Its velocity after n sec is "V" .The displacement of the body in the last `3` sec is

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A body starts from rest with uniform acceleration. Its velocity after 2n second is v_(0) . The displacement of the body in last n second is (3v_(0)n)/(beta) . Determine the value of beta ?

A particle starts from rest with uniform acceleration a.Its velocity after "n" seconds is "v" .The displacement of the body in the last two seconds is:

Knowledge Check

  • A particle starts from rest with uniform acceleration a . Its velocity after 'n' second is 'v'. The displacement of the body in the last two second is

    A
    `(2v(n-1))/n`
    B
    `(v(n-1))/n`
    C
    `(v(n+1))/n`
    D
    `(2v(2n+1))/n`

  • A body starts from rest and moves for n seconds with uniform acceleration a, its velocity after n seconds is v. The displacement of the body in last 3 seconds is :

    A
    `(v(6n-9))/(2n)`
    B
    `(2v(6n-9))/(n)`
    C
    `(2v(2n+1))/(n)`
    D
    `(2v(n-1))/(n)`

  • A particle starts from rest with uniform acceleration and it's velocity after n seconds is v . The displacement of the body in last two seconds is.

    A
    `(v(n + 1))/(n)`
    B
    `(2 v(n + 1))/(n)`
    C
    `(2 v(n - 1))/(n)`
    D
    `(v(n - 1))/(n)`

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