Odpowiedź :
[tex]dane:\\F = 25 \ N\\S = 25 \ cm\cdot10 \ cm = 250 \ cm^{2} = 0,025 \ m^{2}\\\\p = \frac{F}{S}\\\\p = \frac{25 \ N}{0,025 \ m^{2}} = 1000 \ Pa = 1 \ kPa\\\\(1 \ kPa = 1000 \ Pa)[/tex]
[tex]dane:\\F = 25 \ N\\S = 25 \ cm\cdot10 \ cm = 250 \ cm^{2} = 0,025 \ m^{2}\\\\p = \frac{F}{S}\\\\p = \frac{25 \ N}{0,025 \ m^{2}} = 1000 \ Pa = 1 \ kPa\\\\(1 \ kPa = 1000 \ Pa)[/tex]