Question

If velocity of particle is given by $v=2t^4$, then its acceleration $\frac{dv}{dt}$ at any time $t$ will be given by

• A. $8t^3$
• B. $8t$
• C. $-8t^3$
• D. $t^2$

Answer 1

The correct option is A $8t^3$

$v=2t^4$
$a=\frac{dv}{dt}=2\times 4t^3=8t^3$