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The relation between time and displaceme...

The relation between time and displacement is `t=alphax^(2)+betax` where `alpha` and `beta` are constants. What is retardation of the body:

A

`2 alpha v^3`

B

`2 alpha beta v^3`

C

`2 beta v^3`

D

`2alphabeta`

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The correct Answer is:
A
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MODERN PUBLICATION-DESCRIPTION OF MOTION IN ONE DIMENSION -Revision Test
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