$A10L.A$

$1mo\frac{l}{L},$ A$0\mathrm{.}1mo\frac{l}{L}2\frac{L}{m}in$

$2\frac{L}{m}in.$

$A10\%$

$..$

$A$

$A-r_A(mo\frac{l}{L}*min)=0\mathrm{.}2(mi{n}^{-1})*C_A(mo\frac{l}{L})$