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The displacement of a particle starting ...

The displacement of a particle starting from rest (at `t = 0)` is given by `s = 6t^(2) - t^(3)`. The time in seconds at which the particle will attain zero velocity again, is

A

4s

B

8s

C

12s

D

16s

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The correct Answer is:
A
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ALLEN -MOTION IN A PALNE-EXERCISE-2
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  8. An athelete completes one round of a circular track of radius R in 40...

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  9. The displacement-time graph of moving particle is shown below The...

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  10. A scooter going due east at 10 ms^(-1) turns right through an angle of...

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  11. A body is imparted motion from rest to move in a straight line. If it ...

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  13. A particle is moing with a velocity of 10m//s towards east. After 10s ...

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  14. Which of the following four statements is false

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  15. One car moving on a staright road covers one-third of the distance wit...

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  16. Figure below shows the velocity-time graph of a one dimensional motion...

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  17. If a car at rest, accelerates uniformly to a speed of 144 km//h in 20s...

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  18. A body starts from rest, what is the ratio of the distance travelled b...

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  19. The intial velocity of a particle is u (at t=0) and the acceleration i...

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  20. If a body starts from rest and travels 120 cm in the 6 second then wha...

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