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A body starts from the origin and moves along the x axis such that the velocity at any instant is given by, $4 t^{3} - 2 t$ where t is in sec and velocity in m/s. Find the acceleration of the particle when it is at a distance of 2m from the origin. (in multiples of 11)

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answer is 2.

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Detailed Solution

Surface area of sphere, $A = 4 π r^{2}, \frac{d A}{d t}$

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