Odpowiedź :
[tex]dane:\\F = 120 \ N\\W = 7,2 \ kJ = 7 \ 200 \ J\\szukane:\\s = ?\\\\W = F\cdot s \ \ /:F\\\\s = \frac{W}{F}\\\\s = \frac{7200 \ J}{120 \ N} = \frac{7200 \ N\cdot m}{120 \ N} = 60 \ m[/tex]
[tex]dane:\\F = 120 \ N\\W = 7,2 \ kJ = 7 \ 200 \ J\\szukane:\\s = ?\\\\W = F\cdot s \ \ /:F\\\\s = \frac{W}{F}\\\\s = \frac{7200 \ J}{120 \ N} = \frac{7200 \ N\cdot m}{120 \ N} = 60 \ m[/tex]