Energía cinética
Ec = 1/2.m.v2
A.
Ec = 1/2·1,250 kg · (20m/s)2
Ec = 250 J
B.
Convertir:
140km/h×(1000m/1km)×(1h/3600s) = 38,88 m/s
Ec = 1/2·1,050 kg · (38,88m/s)2
Ec = 794 J
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Energía cinética
Ec = 1/2.m.v2
A.
Ec = 1/2.m.v2
Ec = 1/2·1,250 kg · (20m/s)2
Ec = 250 J
B.
Convertir:
140km/h×(1000m/1km)×(1h/3600s) = 38,88 m/s
Ec = 1/2.m.v2
Ec = 1/2·1,050 kg · (38,88m/s)2
Ec = 794 J