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If displacement of particle is s=t^(3)-6...

If displacement of particle is `s=t^(3)-6t^(2)+9t+15,` then velocity of the particle at beginning is

A

18 units/sec

B

24 units/sec

C

0 units/sec

D

9 units/sec

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The correct Answer is:
D
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NIKITA PUBLICATION-APPLICATIONS OF DERIVATIVES-MULTIPLE CHOICE QUESTIONS
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  2. If the displacement of a particle is x=t^(3)-4t^(2)-5t, then the accel...

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  3. If displacement of particle is s=t^(3)-6t^(2)+9t+15, then velocity of ...

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  4. A particle moves under the law s=t^(3)-4t^(2)-5t. If its acceleration ...

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  5. A particle moves under the law s=t^(3)-4t^(2)-5t. If its acceleration ...

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  6. If displacement of particle is s=(t^(3))/(3)-(t^(2))/(2)-(t)/(2)+6, th...

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  7. If displacement of particle is s=(t^(3))/(3)-(t^(2))/(2)-(t)/(2)+6, th...

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  8. If displacement of particle is s=(t^(3))/(3)-(t^(2))/(2)-(t)/(2)+6, th...

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  9. If displacement of particle is x=160t-16t^(2), then at t=1and t=9, vel...

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