A body starting from rest moves along a straight line with constant acceleration. The variation of speed (v) and distance (x) is given by graph represented in:

Options

A.
B.
C.
D.

Answer

b

Explanation

`v^(2)=2ax :. 2v(dv)/(dx)=2a implies(dv)/(dx)=(a)/(v)`
For uniform accelerated motion, velocity time graph is parabola with arms streching alongs distance axis Hence correct choice is (b).