STANDARD Physics Uniform Acceleration Multiple Correct Question
A particle starts from origin O from rest and moves with a uniform acceleration along the positive x-axis. Identify all figures that correctly represents the motion qualitatively. (a = acceleration, v = velocity, x = displacement, t = time)
(A)
(B)
(C)
(D)
Correct Answer
Detailed Explanation
Let a be the acceleration of the particle. The velocity at any time t, v = u + at = at [∵ u = 0]. The distance travelled x = ut + 1/2at² = 1/2at². So, the plot of velocity with time will be straight line passing through origin, while that of distance versus time will be parabola.
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