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May 15th, 2019, 07:43 PM   #1
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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.
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May 15th, 2019, 09:46 PM   #2
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$E=mc^{2}$
$c=3 \times 10^{8}$
Gives Joules
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May 15th, 2019, 10:18 PM   #3
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Quote:
Originally Posted by helpmeddddd View Post
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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