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m = 1110 kg
v = 80 km/h
Ec = ?
Primero pasamos la velocidad a m/s
v = (80 km/h) (1000 m) / (1 km) (1 h) / (3600 s) = 22,22 m/s
Calculamos la energía cinética.
Ec = 1/2 (m) (v)²
Ec = 1/2 (1110 kg) (22,22 m/s)²
Ec = 555 kg (493,73 m²/s²)
Ec = 274020,15 Joules