I'm taking high school physics, and I've had problems in the past with flat out errors in my textbook (I've brought them up here). It's incredibly frustrating when your trying to understand something.(adsbygoogle = window.adsbygoogle || []).push({});

Anyways, I need to know which is right:

The text in my book goes through to explain,

energy released = (Eb(f) - Eb(i))C^2

or Change in E=(Mf - Mi)C^2

Fine. This gives me a negative answer, which has already given me headaches, but these turned into a eureka moment for me when I realised this was "less energy" required to be stable, or binding energy.

So now, the textbook goes on to do more then 1 example, and in all of them it's,

energy released = (Eb(i) - Eb(f))C^2

or Change in E=(Mi - Mf).

These give different answers. This website say's

http://www.chem.purdue.edu/gchelp/howtosolveit/Nuclear/Energy_of_Nuclear_Change.htm

and Physics forums has this example

https://www.physicsforums.com/showthread.php?t=241916

Both contradict each other, or am I wrong?!!

Thanks

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# Fusion energy equation

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