1.

A "satellite is powered" by a small nuclear generator that puts out "15 w". How much matter is converted into energy over the "10 year" life span of the generator?

Answer»

Hey BUDDY,


# Answer- 52.56 micrograms


# Given-

Power = 15W = 15J/s

Time = 10year = 10×365×24×60×60 = 315360000s


# Formula-

Total energy PRODUCED over 10 years is given by

Energy = power × time

Energy = 15 × 315360000

Energy = 4730400000 J


But Energy=mc^2

4730400000=m×(3×10^8)^2

m = 5.256 × 10^−8 kg

m = 52.56 ug


Total mass produced is 52.56 micrograms.


Hope that was useful...




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