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A body of mass m is acceleratad uniforma...

A body of mass `m` is acceleratad uniformaly from rest to a speed `v` in a time `T` . The instanseous power delivered to the body as a function of time is given by

A

`(mv^(2))/(T^(2)).t`

B

`(mv^(2))/(T^(2)).t^(2)`

C

`(1)/(2)(mv^(2))/(T^(2)).t`

D

`(1)/(2)(mv^(2))/(T^(2)).t^(2)`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • A body of mass m , accelerates uniformly from rest to V_(1) in time t_(1) . The instantaneous power delivered to the body as a function of time t is.

    A
    `(mv_(1)t^(2))/(t_(1))`
    B
    `(mv_(1)^(2)t)/(t_(1)^(2))`
    C
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  • A body of mass m , accelerates uniform from rest to v_(1) in time t_(1) . The instanencoes power delivered to the body as a finction of t is

    A
    ` (mv_(1)t^(2))/(t_(1))`
    B
    ` (mv_(1)^(2)t)/(t_(1)^(2))`
    C
    ` (mv_(1)t)/(t_(1))`
    D
    ` (mv_(1)^(2)t)/(t_(1))`

  • A body of mass m accelerates uniformly from rest to v_1 in time v_2 . As a function of time t, the instantaneous power delivered to the body is

    A
    `(mv_1t)/(t_1)`
    B
    `(mv_1^2t)/(t_1)`
    C
    `(mv_1t^2)/(t_1)`
    D
    `(mv_1^2t)/(t_1^2)`

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