A body starts from the origin and moves along the X-axis such that the velocity at any instant is given by (4t3−2t). Where t is in second and velocity is in m/s. What is acceleration of the particle, when it is at distance 2m from the origin.
A
28m/s2
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B
22m/s2
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C
12m/s2
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D
10m/s2
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Solution
The correct option is B22m/s2 Velocity, V=4t3−2t,t is in sec.