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For motion of an object along the x-axis...

For motion of an object along the x-axis the velocity v depends on the displacement x as `v=3x^(2)-2x`, then what is the acceleration at `x=2m`.

A

`48ms^(-2)`

B

`80ms^(-2)`

C

`18ms^(-2)`

D

`10ms^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Diff.eq (1) wrt X is `(dv)/(dx)=6x-2,a=v(dv)/(dx)`
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