two_charges_and_a_spring - 2 1 2 1 4 s Q kQ r s Q Q F b a b...

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Two Charges and a Spring Given: C Q a 2 F i n d : ? x E C Q b 2 ? x F cm a 21 ? s k cm d 9 cm s 21 0 cm s 12 1 Solutions a.) To find x E we can use the following formula:   2 2 2 0 2 0 ˆ 4 ˆ 4 a d kQ d kQ r a d Q r d Q E E E b a b a b a x   2 2 a d kQ d kQ E b a x b.) To find we can use the following formula: x F 2 2 0 ˆ 4 a Q kQ r a Q Q F b a b a x 2 a Q kQ F b a x
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c.) To find we can use the following formula: s k
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Unformatted text preview: 2 1 2 1 4 s Q kQ r s Q Q F b a b a 1 s s k F s 1 s s F k s 1 2 1 1 2 1 s s s Q kQ s s s Q kQ k b a b a s 1 2 1 s s s Q Q k k b a s note units: use meters...
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This note was uploaded on 01/26/2012 for the course PHYSICS 211 taught by Professor Selig during the Fall '10 term at University of Illinois, Urbana Champaign.

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two_charges_and_a_spring - 2 1 2 1 4 s Q kQ r s Q Q F b a b...

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