Homework Statement
A mass of 1x10^-16 kg is traveling at 0.5 c to the nearest hundredth joule what is its kinetic energy?
Homework Equations
Et=KE + mc^2=Jmc^2
KE=mc^2(J-1)
KE=mc^2(1/sqrt(1-v^2/c^2)-1)=
The Attempt at a Solution
This is where i am stuck putting the whole thing in...
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