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A particle moves along x-axis. At time `t = 0`, the particle is at origin and its initial veclocity is along positive x-direction. The plot of its `("speed")^(2)` versus its x-coordinate is as shown in graph. As the particle moves the acceleration of particle :A. is always uniformB. decreases with timeC. increases with timeD. information insufficient |
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Answer» Correct Answer - A `(dv^(2))/(dx) = tan 135^(@)` `2v (dv)/(dx) = -1` `a = v (dv)/(dx) = -(1)/(2) =` constant. |
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