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Displacement-time graph of a particle mo...

Displacement-time graph of a particle moving in a straight line is as shown in figure.

Q. Find the sign of acceleration in the above region

A

zero, postive, negative, negative

B

positive , zero, negative, positive

C

positive , zero, positive, negative

D

positive , zero, negative, negative

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The correct Answer is:
D
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MOTION-KINEMATICS-EXERCISE 1 OBJECTIVE PROBLEMS
  1. Figure shows the graph of velocity versus time for a particle going al...

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  2. Displacement-time graph of a particle moving in a straight line is as ...

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  3. Displacement-time graph of a particle moving in a straight line is as ...

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  4. Velocity-time graph of a particle moving in a straight line is shown i...

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  5. Velocity-time graph of a particle moving in a straight line is shown i...

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  6. A Body intially at rest, starts moving along x-axis in such a way so t...

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  7. At an instasnt t the coordinates of a particles are x=at^(2), y=bt^(2)...

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  8. The displacement of a body is given by 2 s= g t^(2) where g is a cons...

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  9. A particle moves along a staight line such that its displacement at an...

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  10. A particla starting from rest undergoes acceleration given by a=|t-2|"...

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  11. The acceleration a in ms^-2 of a particle is given by a=3t^2+2t+2, whe...

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  12. The acceleration of a particle is given by a=t^3-3t^2+5, where a is in...

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  13. A particle starts moving along the x-axis from t=0, its position varyi...

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  14. A particle starts moving along the x-axis from t=0, its position varyi...

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  15. A particle moves in the x-y plane with the velocity bar(v)=ahati-bthat...

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  16. A particle moving in a straight line has velocity-displacement equatio...

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  17. The velocity of a body depends on time according to the equative v = 2...

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  18. Starting from rest a particle moves in a straight line with accelerati...

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  19. A particle moves along the positive branch of the curve y = (x^(2))/(2...

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  20. The motion of a body falling from rest in a resting medium is describe...

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