Question

what is zero energy.?

Answer 1

A zero energy building (ZEB), a building's use with zero net energy consumption and zero carbon emissionsZero-Net-Energy USA Federal BuildingsPresident Obama has ordered that 15% of U.S. Federal buildings be zero-net-energy by 2015 and 100% of all new buildings by 2030Zero-energy universe, a concept that states that the total amount of energy in the Universe is exactly zeroZero-point energy, the lowest possible energy that a quantum mechanical physical system may have

Answer 2

Hey there!!

N acc 2 my knowledge, we know dat m=e right!!So 2 make e 0 we have 2 do d same 2 m right!!

So ur ans seems clear now right??
Lol....no not actually.Take a jar n clear alllll d air inside it.So m is 0 right??No buddy!!there r still stuffs inside it...Quarks!!

So e is never 0 but can b decreased 4 sure!!