ch21-p065 - 65. We are concerned with the charges in the...

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65. We are concerned with the charges in the nucleus (not the “orbiting” electrons, if there are any). The nucleus of Helium has 2 protons and that of Thorium has 90. (a) Eq. 21-1 gives () 92 2 1 9 1 9 2 2 21 5 2 8.99 10 N m C (2(1.60 10 C))(90(1.60 10 C)) 5.1 10 N. (9.0 10 m) q Fk r −− ×⋅ × × == = × ×
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This note was uploaded on 06/03/2011 for the course PHY 2049 taught by Professor Any during the Spring '08 term at University of Florida.

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