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For a particle moving under the action o...

For a particle moving under the action of a variable force, kinetic energy (k) versus position (x) graph is given, then

A

At A particle is decelerating

B

At B particle is accelerating

C

At C particle has maximum velocity

D

At D particle has maximum acceleration

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The correct Answer is:
D
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-Assignment (SECTION - A)
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  2. A block of mass m moving with velocity v(0) on a smooth horizontal sur...

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  4. A particle of mass 1 kg is subjected to a force which varies with dist...

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  5. An unloaded bus can be stopped by applying brakies on straight road af...

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  8. A body is projected from ground obliquely. During downward motion, pow...

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  9. The blades of a windmill sweep out a circle of area A. If the wind flo...

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  10. A body of mass m, accelerates uniformly from rest to V(1) in time t(1)...

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  11. The power of a pump, which can pump 500 kg of water to height 100 m in...

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  12. A pump is used to pump a liquid of density rho continuously through a ...

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  13. A car of mass m has an engine which can deliver power P. The minimum t...

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  14. Water from a stream is falling on the blades of a turbine at the rate ...

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  15. On a particle placed at origin a variable force F=-ax(where a is a pos...

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  16. The variation of potential energy U of a system is shown in figure. Th...

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  17. The variation of potential energy U of a body moving along x - axis va...

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  18. A particle of mass 200 g is moving in a circle of radius 2 m. The part...

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  19. A particle of mass 200 g , is whirled into a vertical circle of radius...

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  20. A stone of mass 1kg is tied with a string and it is whirled in a verti...

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