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Figure shows the graph of the x-co-ordin...

Figure shows the graph of the x-co-ordinate of a particle going along the x-axis as function of time. Find the instantaneous speed of particle at t = 12.5 s (in m/s)

A

2m/s

B

8m/s

C

4m/s

D

6m/s

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The correct Answer is:
A
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MOTION-KINEMATICS-EXERCISE 1 OBJECTIVE PROBLEMS
  1. The diagram shows variation of (1)/(v) with respect to time (where v i...

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  2. The particle moves with rectilinear motion given the acceleration-disp...

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  3. Figure shows the graph of the x-co-ordinate of a particle going along ...

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  4. Figure shows the graph of velocity versus time for a particle going al...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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