Answer
$V_2 =\frac{Ft+mV_1}{m}$
Work Step by Step
To solve the given equation for $V_2$, we follow the following steps
$$
Ft=m(V_2-V_1)\Longrightarrow Ft=mV_2-mV_1\\
\Longrightarrow m V_2=Ft+mV_1\\
\Longrightarrow \frac{ mV_2}{m}=\frac{Ft+mV_1}{m}\\
\Longrightarrow V_2 =\frac{Ft+mV_1}{m}
.$$
