Physics Chapter 24 week 3
Physics Chapter 24 week 3 Phys2140
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This 2 page Class Notes was uploaded by Katie Hoenie on Friday September 11, 2015. The Class Notes belongs to Phys2140 at University of Toledo taught by Song Cheng in Summer 2015. Since its upload, it has received 22 views. For similar materials see Physics II in Astronomy at University of Toledo.
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Date Created: 09/11/15
Chapter 24 Week 3 A pencil above the ground by the height of h has a potential energy of mgh When released the pencil moves downward and gains speed Therefore the pencil has kinetic energy PE mgh Electric Potential Energy f Work energy Theorem WZIFlrldFZAKZKf Ki Energy Conservation KiUiKfUszUycsz UizKi Kfz AKz W Work done by system due to potential energy Wz AUifoi Uf Calculation of Potential Energy WZTFrdrTkq 12q2dr kqlq2 kq1q2 ri ri 1 ri rf Electric Potential due to Point Charge ql kQ1Qo V22 r E go go r Units vot l Vr gtoo 0 2 V is a SCALAR 3 Change of electric potential Potential Energy for System of Charges B kqaqzkqsq1kqlqz U a 6122 b If q1 1 pC q2 2 pC q3 3 rm and a3 cm and b4cm 3x10 2 5x10 2 4x10 2 U k3x10 6 2x10 6 k3x10 61x10 6 k1x10 6 2x 10 6 171J work needed
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