h = 50 m
g = 9,81 m/s^2 = 10 m/s^2
cw = 4200 J/kgC
delta T = ?
Ep = Q
mgh = mcw *delta T ; dzielę obustronnie przez m
g*h = cw *delta T
delta T = g*h/cw
delta T = 10 m/s^2 50 m/ 4200 J/kgC
delta T = 500 m^2/s^2 / 4200 J/kg*C
delta T = 0,12 C
jednostki: [J] = [ kgm^2/s^2]
[ m^2/s^2 / J /kgC] = [m^2/s^2 * kgC/J] = [m^2/s^2 / kgC/ kg*m^2/s^2]= [C]