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Position time graph of a particle of mas...

Position time graph of a particle of mass 2 kg is shown in figrure. Total work done on the particle from t=0 to t=4s is

A

8 J

B

4 J

C

0 J

D

Can't be determined

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A
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  • The velocity - time graph of a particle of mass 10 kg is shown in the figure. The net work done on the particle in the first two seconds of the motion is

    A
    `-9300J`
    B
    `12000J`
    C
    `-4500J`
    D
    `-12000J`

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    `0.2 kg ms^(-1)`
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    `0.02 kg ms^(-1)`
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    `0.1 kg ms^(-1)`
    D
    `0.4 kg ms^(-1)`

  • Figure shows the position time graph of a particle of mass 5kg. The force acting on the particle for 0 lt t lt 4s and 8s lt t lt 12 s respectively are,

    A
    5N,5N
    B
    5N.7.5N
    C
    5N,10N
    D
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