PHYS 205 Study Guide - Final Guide: Inductor, Root Mean Square, Electronvolt
15 Apr 2016
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Answer all questions on booklet (including multiple choice questions) The exam has 5 sheets of paper, including the formulae sheet. Three point charges, two positive and one negative, each having a magnitude of 20 c are placed at the vertices of an equilateral triangle (30 cm on a side). What is the magnitude of the electrostatic force on the negative charge? a. b. c. d. e. A uniform linear charge density of 4. 0 nc/m is distributed along the entire x axis. Consider a spherical (radius = 5. 0 cm) surface centered on the origin. Determine the electric flux through this surface. a. b. c. d. e. A proton (m = 1. 7 10 27 kg, q = +1. 6 10 19 c) starts from rest at point a and has a speed of 40 km/s at point b. Only electric forces act on it during this motion.
