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The velocity of a body moving in a strai...

The velocity of a body moving in a straight line is given by `v=(3x^(2)+x)m//s` . Find acceleration at `x=2m`.

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`v=(3x^(2)+x)`
`(dv)/(dx)=6x+1`
`a=v(dv)/(dx)=(3^(2)+x)(6x+1)`
at `x=2m`
`a=(3xx2^(2)+2)(6xx2+1)=182m//s^(2)`
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