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Question

$a=4 t$

Integrating,

$v=\frac{4 t^2}{2}=2 t^2$

again integrating

$d=\frac{2 t^3}{3}$

$t=3$

$d=\frac{2 	imes 27}{3}=2 	imes 9=18$

Vedclass · Accepted Answer

$18$

Vedclass · Answer

$a=4 t$

Integrating,

$v=\frac{4 t^2}{2}=2 t^2$

again integrating

$d=\frac{2 t^3}{3}$

$t=3$

$d=\frac{2 	imes 27}{3}=2 	imes 9=18$

A particle initially at rest moves along the $x$-axis. Its acceleration varies with time as $a=4\,t$. If it starts from the origin, the distance covered by it in $3\,s$ is $...........\,m$