question_answer

The position \[x\] of a particle varying with time \[t\] as \[x=a{{t}^{2}}b{{t}^{3}}\] The acceleration of the particle at time t will be equal to :

A)  zero                                     

B)  \[\frac{a}{3b}\]

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

D)  \[\frac{2a}{3b}\]