dane: v = 65 km/h = ok. 18,06 m/s, m = 1460 kg
szukane: W = ?
E1 = Ek = mv²/2
E2 = 0 (bo samochód stoi)
W = E1 - E2 = mv²/2 = 1450 kg • (18,06 m/s)²/2 = 236 468,61 J
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dane: v = 65 km/h = ok. 18,06 m/s, m = 1460 kg
szukane: W = ?
E1 = Ek = mv²/2
E2 = 0 (bo samochód stoi)
W = E1 - E2 = mv²/2 = 1450 kg • (18,06 m/s)²/2 = 236 468,61 J