lecture02 - The international Genetically Engineered...

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Unformatted text preview: The international Genetically Engineered Machines (iGEM) competition is the Olympics of undergraduate scientific research. Universities from around the world assemble teams of undergraduates to pursue a project in areas such as bioremediation , energy conservation , health and medicine , and more. The University of Illinois is looking for representatives from its undergraduate scientific community community to create and design, and execute a project in Synthetic Biology to compete in the 2010 iGEM competition at the Massachusetts Institute of Technology in November. General Meetings : Tuesday January 26, 2010 - 161 Noyes @ 6PM Wednesday January 27, 2010 - 161 Noyes @ 6PM ***Food will be served!!!*** iGEM: http://www.igem.org Application: http://openwetware.org/wiki/IllinoisSyntheticBio/Application iClicker issue • Interference with class next door • Switch to “BB” frequency • To set frequency: – hold the power button for 2 seconds (blue light flashes) – push B twice (green light confirmation) 2 3 Coulomb’s Law and Electric Fields Physics 102: Lecture 02 Today we will … • get some practice using Coulomb’s Law • learn the concept of an Electric Field 4 Recall Coulomb’s Law • Magnitude of the force between charges q 1 and q 2 separated a distance r: F = k q 1 q 2 /r 2 k = 9x10 9 Nm 2 /C 2 • Force is – attractive if q 1 and q 2 have opposite sign – repulsive if q 1 and q 2 have same sign • Units: – q’s have units of Coulombs (C) • charge on proton is 1.6 x 10-19 C – r has units of m – F has units of N 5 5 Three Charges Q=-7.0 μ C Q=+7.0 μ C Q=+2.0 μ C 6 m 4 m • Calculate force on +2 μ C charge due to other two charges – Draw forces – Calculate force from +7 μ C charge – Calculate force from –7 μ C charge – Add (VECTORS!) 1 2 3 4 5 6 7 8 9 1 1 1 1 2 10 F +7 6 Three Charges Q=-7.0 Q=-7....
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This note was uploaded on 01/25/2012 for the course PHYS 102 taught by Professor Lee during the Spring '08 term at University of Illinois, Urbana Champaign.

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lecture02 - The international Genetically Engineered...

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