1 опыт:
$$\frac{F_1}{F_2} = \frac{0.98}{0.98} = 1$$
$$\frac{l_2}{l_1} = \frac{0.12}{0.1} = 1.2$$
2 опыт:
$$\frac{F_1}{F_2} = \frac{0.98}{1.96} = 0.5$$
$$\frac{l_2}{l_1} = \frac{0.12}{0.1} = 1.2$$
3 опыт:
$$\frac{F_1}{F_2} = \frac{0.98}{2.94} = 0.33$$
$$\frac{l_2}{l_1} = \frac{0.12}{0.1} = 1.2$$