question_answer

Which of the following is the correct expression of instantaneous acceleration?

A)  \[a=\frac{\Delta v}{{{(\Delta t)}^{2}}}\]                      

B)  \[a=\frac{dv}{dt}\]

C)  \[a=\frac{{{d}^{2}}v}{d{{t}^{2}}}\]                       

D)  \[a={{\left( \frac{\Delta v}{\Delta t} \right)}^{2}}\]