Dane: m - 100kg
v - 20m/s
Szukane: Ek - ?
Ek = mv² / 2
Ek = 100kg * 20m/s² / 2
Ek = 100 * 400 / 2
Ek = 20 000J
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Dane: m - 100kg
v - 20m/s
Szukane: Ek - ?
Ek = mv² / 2
Ek = 100kg * 20m/s² / 2
Ek = 100 * 400 / 2
Ek = 20 000J