Ch5 HW6 S2008 - Ch5 HW6 S2008 10:30 AM Web Assign Ch5 HW6...

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4/25/08 10:30 AM Ch5 HW6 S2008 Page 1 of 3 http:[email protected][email protected] Ch5 HW6 S2008 (Homework) KRISTIN SEILOFF Instructor: Jennifer Curtis Description Gravitational potential energy near the Earth's surface; electric potential energy; mass of a multiparticle system Instructions Reading: Sections 5.12-5.16 You may submit each question part separately; three submissions per part. Web Assign Current Score: 11 out of 12 Due: Monday, March 3, 200812:00 PM EST 1. 7/7 points Two protons are a distance 5 10 –9 m apart. What is the electric potential energy of the system consisting of the two protons? U el = 4.608e-20 4.61e-20 joules If the two protons move closer together, will the electric potential energy of the system increase, decrease, or remain the same? (o) (o) increase (_) (_) remain the same (_) (_) decrease A proton and an electron are a distance 5 10 –9 m apart. What is the electric potential energy of the system consisting of the proton and the
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Ch5 HW6 S2008 - Ch5 HW6 S2008 10:30 AM Web Assign Ch5 HW6...

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