Explicación:
ec=1/2 mv2
1/2 4kg . (15m/s)2=450J
ep=mgh
900kg . 9.8m/s2 . 2000m=17640000J
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Explicación:
ec=1/2 mv2
1/2 4kg . (15m/s)2=450J
ep=mgh
900kg . 9.8m/s2 . 2000m=17640000J