Homework 1

# Homework 1 - homework 01 KANUNGO ANIL Latest unpenalized...

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homework 01 – KANUNGO, ANIL 1 Latest unpenalized work: Sep 3 2007 Monday 04:00 (after this date you can not make a perfect score). Work cutoff: Sep 4 2007, 4:00 am. Question 1, chap 22, sect 1. part 1 of 1 10 points A plastic rod is rubbed against a wool shirt, thereby acquiring a charge of - 4 μ C. The charge on an electron is - 1 . 6 × 10 19 C. How many electrons are transferred from the wool shirt to the plastic rod? Question 2, chap 22, sect 2. part 1 of 1 10 points A particle of mass 26 g and charge 44 μ C is released from rest when it is 83 cm from a second particle of charge - 22 μ C. Determine the magnitude of the initial ac- celeration of the 26 g particle. Answer in units of m / s 2 . Question 3, chap 22, sect 2. part 1 of 2 10 points Three charges are arranged in the ( x, y ) plane (as shown in the figure below, where the scale is in meters). 9 nC 9 nC 3 nC y (m) 0 1 2 3 4 5 6 7 8 9 10 x (m) 0 1 2 3 4 5 6 7 8 9 10 What is the magnitude of the resulting force on the 9 nC charge at the origin?

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