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A particle moves along a straight line s...

A particle moves along a straight line such that its displacement at any time t is given by `s = (t^(3)-6t^(2)+3t +4)m`
The velocity when the acceleration is zero, is

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`s=t^3-6t^2+3t+4impliesv=3t^2-12t+3`
`a=dv//dt=6t-12=0impliest=2s`
`v=3(2)^2-12xx2+3=-9ms^-1`
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CENGAGE PHYSICS ENGLISH-BASIC MATHEMATICS-Exercise 2.6
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  2. The velocity of a particle is given by v=12+3(t+7t^2). What is the acc...

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  3. A particle starts from origin with uniform acceleration. Its displacem...

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

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

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  6. A particle moves along the x-axis obeying the equation x=t(t-1)(t-2), ...

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  7. The speed of a car increases uniformly from zero to 10ms^-1 in 2s and ...

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  8. A car accelerates from rest with 2ms^-2 for 2s and then decelerates co...

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  9. A stationary particle of mass m=1.5kg is acted upon by a variable forc...

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  10. The displacement of a body at any time t after starting is given by s=...

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  11. A particle moves along a straight line such that its displacement at a...

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  12. The displacement x of a particle moving in one dimension under the act...

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  13. The position x of a particle varies with time t according to the relat...

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  14. The displacement of a particle along the x-axis is given by x=3+8t+7t^...

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

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  16. The displacement x of a particle along the x-axis at time t is given b...

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  17. A particle moves along a straight line such that its displacement at a...

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  18. The acceleration of a bus is given by ax(t)=at, where a=1.2ms^-2. If...

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  19. The acceleration of a motorcycle is given by ax(t)=At-Bt^2, where A=1....

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  20. The acceleration of a particle varies with time t seconds according to...

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