Odpowiedź :
[tex]dane:\\\Delta x = 10 \ cm = 0,1 \ m\\k = 300\frac{N}{m}\\szukane:\\F=?\\\\F = k\cdot \Delta x\\\\F = 300\frac{N}{m}\cdot0,1 \ m\\\\\underline{F = 30 \ N\underline}\\\\Odp. \ C.[/tex]
[tex]dane:\\\Delta x = 10 \ cm = 0,1 \ m\\k = 300\frac{N}{m}\\szukane:\\F=?\\\\F = k\cdot \Delta x\\\\F = 300\frac{N}{m}\cdot0,1 \ m\\\\\underline{F = 30 \ N\underline}\\\\Odp. \ C.[/tex]