The path followed by a body projected along y-axis is given as by √ x – x
2
/ 2 , if g = 10 m/s2
, then the initial velocity of projectile will be – (x and y are in m)
(a) 3√ m/s (b) 2√ m/s (c) 10√ m/s (d) 10√ m/s