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A particle moves along a staight line su...

A particle moves along a staight line such that its displacement at any time t is given by `s=t^3-6t^2+3t+4m`. Find the velocity when the acceleration is 0.

A

3m/s

B

`-12m//s`

C

`42m//s`

D

`-9m//s`

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The correct Answer is:
D
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MOTION-KINEMATICS-EXERCISE 1 OBJECTIVE PROBLEMS
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  2. The displacement of a body is given by 2 s= g t^(2) where g is a cons...

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

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

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

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

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

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

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

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

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

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

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  15. A street car moves rectilinearly from station A to the next station B ...

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  16. The speed of a body moving on a straight track varies according to v =...

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  17. A particle moving along x-axis has acceleration f, at time t, given by...

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  19. A body is thrown with a velocity of 9.8 m//s making an angle of 30^(@)...

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