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April 17, 2014

April 17, 2014

Posted by **Leila** on Tuesday, May 7, 2013 at 9:49pm.

550 MeV

Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons.

E= in Joules

Please help me out I got 1st part I need the Energy in joules am confused please help me out...thanks

- Physics -
**Elena**, Wednesday, May 8, 2013 at 6:33amNumber of atoms is

N= N(A)•m/μ =

=6.022•10²³•0.003/63.5•10⁻³=2.85•10²².

Number of nucleons (protons+neutrons) =

=2.85•10²²•63=1.8•10²⁴.

Energy = 1.8•10²⁴•550•10⁶•1.6•10⁻¹⁹ =1.58•10⁸ J

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