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. A body is moving unidirectionally unde...

. A body is moving unidirectionally under the influence of a source of constant power supplying energy. Which of the diagrams shown below correctly shows the displacement time curve for its motion ?

A

B

C

D

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The correct Answer is:
B
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AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - I
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  2. . A curve is drawn expressing the kinetic energy of a particle as a fu...

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  5. . A raindrop falling from a height .h. above ground, attains a near te...

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  6. Two inclined frictionless tracks, one gradual and the other steep meet...

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  7. A heavy stone is thrown from a cliff of height h in a given direction....

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  8. 40. Which of the diagrams correctly shows the change in kinetic energy...

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  9. A particle is acted upon by a force of constant magnitude which is alw...

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  10. Two spheres A and B collide. If the momentum of A is doubled in the co...

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  11. Internal forces can change

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  12. (A): Mass and energy are not conserved separately, but are conserved a...

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  13. Two bodies A and B of masses m, and m, moving with velocities V(1) and...

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  14. Two particles of equal masses have an elastic collision, the target pa...

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  15. . A bullet hits a block at rest on a frictionless horizontal surface a...

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  16. A heavier sphere moving eastward with a certain velocity .v. collides ...

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  17. When a ball hits a floor and rebounds after an inelastic collision,

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  18. Coefficient of restitution depends upon

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  19. Two particles of different masses collide head on. Then for the system

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  20. A particle moving with certain velocity collides elastically with anot...

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