problem43_22

Problem43_22 - 43.22(a 90 39 Sr 90 39 X 90 X has 39 protons and 90 protons plus neutrons so it must be(b Use base 2 because we know the half life Y

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43.22: (a) X Sr 90 39 90 39 + - β X has 39 protons and 90 protons plus neutrons, so it must be Y. 90 (b) Use base 2 because we know the half life.
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This note was uploaded on 05/12/2008 for the course PHYS 262 taught by Professor Dougherty during the Spring '08 term at Lafayette.

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