zadanie nr 2 daje najlepszą za
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zadanie nr 2 daje najlepszą za
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V = 800 m/s = 8 *10² m
h = 10000 m = 10⁴ m
Ep = mgh
Ep = 1,7 *10⁴ kg * 10 m/s² *10⁴ m
Ep = 1,7 *10⁹ J
Ek = m * V² /2
Ek = 1,7 *10⁴ kg * (8 *10² m/s )²/2
Ek = 108,8 *10⁸ kg*m²/s² /2
Ek = 54,4 *10⁸ J = 5,44 *10⁹ J
Ec = Ep + Ek
Ec = 7,14 *10⁹ J