Shaday007 17/05/2014 T=Ec(f) - Ec(i)T=mvf²/2 - mvi²/2T=1.000/2 .30² - 1000/2 .10²T=500.900 - 500.100T=400.000J
Shaday007
T=Ec(f) - Ec(i)
T=mvf²/2 - mvi²/2
T=1.000/2 .30² - 1000/2 .10²
T=500.900 - 500.100
T=400.000J