DANE SZUKANE F=2,5kJ W=? s=50dm
DANE SZUKANE
F=2,5kJ W=?
s=50dm
[latex]dane:\F = 2,5 kJ = 2,5*1000J = 2500 J\s = 50 dm = 5 m\szukane:\W = ?[/latex] [latex]W = F*s\\W = 2500J*5m = 12 500 J = 12,5 kJ[/latex]