Ep = Ek
mgh = 1/2 * m * v2
gh = 1/2 * v2
h = 1/2 * v2 : g
h=1/2 * 10 m/s2 * ( 30 m/s ) 2 = 5 m/s2 * 900 m2/s2 = 4500 m
Ep = mgh
40 g = 0,04 kg
Ep = 0,04 kg * 10 N/kg * 4500 m = 1800 J = 1,8kJ
Proszę ;**
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Ep = Ek
mgh = 1/2 * m * v2
gh = 1/2 * v2
h = 1/2 * v2 : g
h=1/2 * 10 m/s2 * ( 30 m/s ) 2 = 5 m/s2 * 900 m2/s2 = 4500 m
Ep = mgh
40 g = 0,04 kg
Ep = 0,04 kg * 10 N/kg * 4500 m = 1800 J = 1,8kJ
Proszę ;**