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A particie of mass 10 kg is driven by a ...

A particie of mass 10 kg is driven by a machine that delivers a constant power of 20 watts. If particle starts from rest and moves along a straight line, then force (in Newton) on particle at time `t(t> 0)` is

A

`10sqrtt`

B

`10/sqrtt`

C

`20/sqrtt`

D

`1/sqrtt`

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Knowledge Check

  • A particle of mass m is driven by a machine that delivers a constant power k watts. If the partilcle starts from rest the force on the particle at time t is

    A
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    B
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    C
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    D
    `sqrt(mk) t^(-1//2)`

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