question_answer

A particle crossing the origin of coordinates at time \[t=0\]. moves in the xy-plane with a constant acceleration a in y-direction. If, its equation of motion is \[y=b{{x}^{2}}\] (where, is b is a constant), its velocity component in the x-direction is :

A)  \[\sqrt{\frac{2b}{a}}\]                          

B)  \[\sqrt{\frac{a}{2b}}\]

C)  \[\sqrt{\frac{a}{b}}\]                            

D)  \[\sqrt{\frac{b}{a}}\]