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A time dependent force F=6t acts on a pa...

A time dependent force `F=6t` acts on a particle of mass `1kg`. If the particle starts from rest, the work done by the force during the first `1 sec.` will be

A

4.5 J

B

22 J

C

9 J

D

18 J

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SL ARORA-Work, Energy and power-EXERCISE
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  9. Statement 1 : Two particles moving in the same direction do not lose a...

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  12. A body of mass 50 kg is at rest. The work doen to accelerate it by 20m...

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  13. Kinetic energy, with any reference, must be

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  14. The kinetic energy of a body becomes four times its initial value.The ...

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  15. A body of mass 5 kg is moving with a momentum of 10 kg m//s. A force ...

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  16. A block of mass 20 kg is moving in x-direction with a constant speed o...

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  17. The decrease in the potential energy of a ball of mass 20 kg which fal...

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  18. If the water falls from a dam into a turbine wheel 19.6 m below, then...

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  19. A gun fires a bullet of mass 50 g with a velociy of 30 m//s. Due to t...

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