Answer to Question #35823 in Mechanics | Relativity for fox
how long can a 100 watt bulb burn with 1kg of any material??"
1
2017-02-21T08:19:07-0500
Einstein formula is
E=mc^2
Amount of energy in 1kg is
E=1*(3*10^8)^2 = 9*10^16 J
Hence it can burn
9*10^16/100 = 9*10^14 seconds. As one year is 31*10^6 seconds, it will approximately burn 29*10^6 years
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