A very thin glass rod 4 m long is rubbed all over with a silk cloth (see figure below). It gains a uniformly distributed charge +4.2 × 10-6 C. Two small spherical rubber balloons of radius 1.2 cm are rubbed all over with wool. They each gain a uniformly distributed charge of -6.7 x 10-8 C. The balloons are near the midpoint of the glass rod, with their centers 3 cm from the rod. The balloons are 2 cm apart (4.4 cm between centers). Length 4 m (drawing not to scale) 2 cm ¡ 3 cm Radius 1.2 cm 0.6 cm Part 1 (a) Find the magnitude of the electric field at the location marked by the x, 0.6 cm to the right of the center of the left balloon. i N/C Also calculate the angle the electric field makes with the horizontal. (Take the horizontal to be the +x axis pointing to the right.) i counterclockwise from the +x axis.

A very thin glass rod 4 m long is rubbed all over with a silk cloth (see figure below). It gains a uniformly distributed charge +4.2 × 10-6 C. Two small spherical rubber balloons of radius 1.2 cm are rubbed all over with wool. They each gain a uniformly distributed charge of -6.7 x 10-8 C. The balloons are near the midpoint of the glass rod, with their centers 3 cm from the rod. The balloons are 2 cm apart (4.4 cm between centers). Length 4 m (drawing not to scale) 2 cm ¡ 3 cm Radius 1.2 cm 0.6 cm Part 1 (a) Find the magnitude of the electric field at the location marked by the x, 0.6 cm to the right of the center of the left balloon. i N/C Also calculate the angle the electric field makes with the horizontal. (Take the horizontal to be the +x axis pointing to the right.) i counterclockwise from the +x axis.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.

Question

A very thin glass rod 4 m long is rubbed all over with a silk cloth (see figure below). It gains a uniformly distributed charge +4.2 x 10-6
C. Two small spherical rubber balloons of radius 1.2 cm are rubbed all over with wool. They each gain a uniformly distributed charge
of -6.7 x 10-8 C. The balloons are near the midpoint of the glass rod, with their centers 3 cm from the rod. The balloons are 2 cm
apart (4.4 cm between centers).
Length 4 m (drawing not to scale)
2 cm
---
3 cm
Radius 1.2 cm
0.6 cm
Part 1
(a) Find the magnitude of the electric field at the location marked by the x, 0.6 cm to the right of the center of the left balloon.
i
N/C
Also calculate the angle the electric field makes with the horizontal. (Take the horizontal to be the +x axis pointing to the right.)
i
counterclockwise from the +x axis.

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