chp25_3 - m 2 /r 2 (Newtons Law) G = 6.67x10-11 Nm 2 /kg 2...

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PHY2061 R. D. Field Department of Physics chp25_3.doc University of Florida Electrostatic Force versus Gravity Electrostatic Force: F e = K q 1 q 2 /r 2 (Coulomb’s Law) K = 8.99x10 9 Nm 2 /C 2 (in MKS system) Gravitational Force: F g = G m 1
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Unformatted text preview: m 2 /r 2 (Newtons Law) G = 6.67x10-11 Nm 2 /kg 2 (in MKS system) Ratio of forces for two electrons: e = 1.6x10-19 C m = 9.11x10-31 kg e, m e, m r F e / F g = K e 2 / G m 2 = 4.16x10 42 (Huge number !!!)...
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This note was uploaded on 05/31/2011 for the course PHY 2061 taught by Professor Fry during the Spring '08 term at University of Florida.

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