Sunday
April 20, 2014

Homework Help: Physics

Posted by Christina AAAA on Tuesday, April 14, 2009 at 11:46pm.

A
 tritium
 nucleus
 explodes
 by
 beta
 decay.
 An
 electron
 leaves
 with






1x108m/sec. 
Its
 mass 
is
9x10‐31kg.
 What 
is 
the 
recoil
velocity 
if 
the
 3He+
 







ion
 mass 
is
 3x
1.66x10‐27kg.

 What 
is 
the 
kinetic 
energy 
of 
both 
particles








in 
Joules 
and 
in 
electron volts 
(1eV
=
1.16x
‐19J)?


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