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## Main Question or Discussion Point

Hi,all, can anyone help to understand how uncertainty principle consist with energy conservation?

dEdt >= h/2, then in a short time interval, the energy can be really large, even the previous state has lower energy? I cant really understand this..

say, particle A appeared at t=0 (at rest) and it has life time 10^-15 s and it has initial energy E1 (use E=mc^2), then is that mean at t>0, its energy could growths up?bigger than E1? Then the energy care not conserved..

Thanks in advance!

dEdt >= h/2, then in a short time interval, the energy can be really large, even the previous state has lower energy? I cant really understand this..

say, particle A appeared at t=0 (at rest) and it has life time 10^-15 s and it has initial energy E1 (use E=mc^2), then is that mean at t>0, its energy could growths up?bigger than E1? Then the energy care not conserved..

Thanks in advance!