Question

The displacement of particle is given by $x = a_{0} + \frac{a_{1}t}{2} - \frac{a_{2}t^{2}}{3}$. What is its acceleration?
(a) $\frac{2a_{2}}{3}$
(b) $-\frac{2a_{2}}{3}$
(c) a₂
(d) zero

Answer 1

Here is the answer (b)