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 May 15th, 2019, 07:43 PM #1 Senior Member   Joined: Mar 2019 From: TTF area Posts: 106 Thanks: 1 Change units How do you change $1.53×10^{−12}kg$ to joules/mega joules? Last edited by skipjack; May 16th, 2019 at 06:37 AM.
 May 15th, 2019, 09:46 PM #2 Member     Joined: Oct 2018 From: USA Posts: 88 Thanks: 61 Math Focus: Algebraic Geometry $E=mc^{2}$ $c=3 \times 10^{8}$ Gives Joules
May 15th, 2019, 10:18 PM   #3
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Quote:
 Originally Posted by helpmeddddd How do you change $1.53×10^{−12}kg$ to joules/mega joules?
You don't. kg is a unit of mass while J is a unit of energy. They aren't the same.

Now, if you want to find the energy equivalent of the mass as Greens is suggesting, then you can use $\displaystyle E = mc^2$. In that case, just put the numbers into the equation. But this isn't a unit conversion.

-Dan

Last edited by skipjack; May 16th, 2019 at 06:38 AM.

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