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The acceleration of particle at position x is given by a=3-2x. If the particle is rest at x=0, at what value of x is it at rest again ? |
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Answer» Correct Answer - 3 `a=3-2x` `(vdv)/(dx)=3-2x` `(v^(2))/2=3-2x` `(v^(2))/2 =3-2x` `rArr v^(2)=3x-x^(2)+C` `rArr v^(2)=3x-x^(2)=x(3-x)` v=0 at x=0, x=3 |
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