Ile to się równa Ek=1/2*0,1kg*(50m/s)2= na dżule ?

=1/2*0,1 [kg]*250 [m^2/s^2] = 12,5 [kg*(m^2/s^2)] = 12,5 [J]

[latex]E_{k} = frac{1}{2}*0,1kg*(50frac{m}{s})^{2} = frac{1}{2}*0,1kg*2500frac{m^{2}}{s^{2}}\\E_{k} = 125frac{kg*m^{2}}{s^{2}} = 125 J[/latex]