College Physics
7th Edition
ISBN: 9780321601834
Author: Jerry D. Wilson, Anthony J. Buffa, Bo Lou
Publisher: Addison-Wesley
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Question
Chapter 3, Problem 46E
To determine
The height of the platform.
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Students have asked these similar questions
1. A charge of -25 μC is distributed uniformly throughout a spherical volume of radius 11.5 cm.
Determine the electric field due to this charge at a distance of (a) 2 cm, (b) 4.6 cm, and (c) 25 cm from
the center of the sphere.
(a) =
=
(b) E =
(c)Ẻ =
=
NC NC NC
1.
A long silver rod of radius 3.5 cm has a charge of -3.9
ис
on its surface. Here ŕ is a unit vector
ст
directed perpendicularly away from the axis of the rod as shown in the figure.
(a) Find the electric field at a point 5 cm from the center of the rod (an outside point).
E =
N
C
(b) Find the electric field at a point 1.8 cm from the center of the rod (an inside point)
E=0
Think & Prepare
N
C
1. Is there a symmetry in the charge distribution? What kind of symmetry?
2. The problem gives the charge per unit length 1. How do you figure out the surface charge density σ
from a?
1. Determine the electric flux through each surface whose cross-section is shown below.
55
S₂
-29
S5
SA
S3
+ 9
Enter your answer in terms of q and ε
Φ
(a) s₁
(b) s₂
=
-29
(C) Φ
զ
Ερ
(d) SA
=
(e) $5
(f) Sa
$6
=
II
✓
-29
S6
+39
Chapter 3 Solutions
College Physics
Ch. 3 - Prob. 1MCQCh. 3 - The equation applies (a) to all kinematic...Ch. 3 - For an object in curvilinear motion, (a) the...Ch. 3 - Prob. 4MCQCh. 3 - Prob. 5MCQCh. 3 - Prob. 6MCQCh. 3 - Prob. 7MCQCh. 3 - Prob. 8MCQCh. 3 - Prob. 9MCQCh. 3 -
A football is thrown on a long pass. Compared to...
Ch. 3 - Prob. 11MCQCh. 3 - Prob. 12MCQCh. 3 - Prob. 13MCQCh. 3 - Prob. 1CQCh. 3 - Prob. 2CQCh. 3 - Prob. 3CQCh. 3 - Prob. 4CQCh. 3 - Prob. 5CQCh. 3 - Prob. 6CQCh. 3 - Prob. 7CQCh. 3 - Prob. 8CQCh. 3 - Prob. 9CQCh. 3 - Prob. 10CQCh. 3 - Prob. 11CQCh. 3 - Prob. 12CQCh. 3 - Prob. 13CQCh. 3 - Prob. 14CQCh. 3 - Prob. 15CQCh. 3 - Prob. 16CQCh. 3 - Prob. 17CQCh. 3 - Prob. 18CQCh. 3 - Prob. 1ECh. 3 - Prob. 2ECh. 3 - The x- and y-components of an acceleration vector...Ch. 3 - If the magnitude of a velocity vector is 7.0 m/s...Ch. 3 - Prob. 5ECh. 3 - Prob. 6ECh. 3 - Prob. 7ECh. 3 - Prob. 8ECh. 3 - Prob. 9ECh. 3 - Prob. 10ECh. 3 - Prob. 11ECh. 3 - Prob. 12ECh. 3 - Prob. 13ECh. 3 - Prob. 14ECh. 3 - Prob. 15ECh. 3 - Using the triangle method, show graphically that...Ch. 3 - Prob. 17ECh. 3 - Prob. 18ECh. 3 - Prob. 19ECh. 3 - Prob. 20ECh. 3 - Prob. 21ECh. 3 - Prob. 22ECh. 3 - Prob. 23ECh. 3 - Prob. 24ECh. 3 - Prob. 25ECh. 3 - Prob. 26ECh. 3 -
Given two vectors, which has a length of 10.0...Ch. 3 - Prob. 28ECh. 3 - Prob. 29ECh. 3 - Prob. 30ECh. 3 - Prob. 31ECh. 3 - In two successive chess moves, a player first...Ch. 3 - Referring to the parallelogram in Fig. 3.29,...Ch. 3 - Prob. 34ECh. 3 - Prob. 35ECh. 3 - A block weighing 50 N rests on an inclined plane....Ch. 3 - Prob. 37ECh. 3 - A person walks from point A to point B as shown in...Ch. 3 - Prob. 39ECh. 3 - Prob. 40ECh. 3 - Fig. 3.32 depicts a decorative window (the thick...Ch. 3 -
A golfer lines up for her first putt at a hole...Ch. 3 - Two students are pulling a box as shown in Fig....Ch. 3 - A ball with a horizontal speed of 1.0 m/s rolls...Ch. 3 - An electron is ejected horizontally at a speed of...Ch. 3 - Prob. 46ECh. 3 - A ball is projected horizontally with an initial...Ch. 3 - An artillery crew wants to shell a position on...Ch. 3 - A pitcher throws a fastball horizontally at a...Ch. 3 - Prob. 50ECh. 3 - The pilot of a cargo plane flying 300 km/h at an...Ch. 3 - Prob. 52ECh. 3 - A convertible travels down a straight, level road...Ch. 3 - A good-guy stuntman is being chased by bad guys on...Ch. 3 - An astronaut on the Moon fires a projectile from a...Ch. 3 - In 2004 two Martian probes successfully landed on...Ch. 3 - Prob. 57ECh. 3 - A stone thrown off a bridge 20 m above a river has...Ch. 3 - If the maximum height reached by a projectile...Ch. 3 - Prob. 60ECh. 3 - Prob. 61ECh. 3 - The apparatus for a popular lecture demonstration...Ch. 3 - A shot-putter launches the shot from a vertical...Ch. 3 - A ditch 2.5 m wide crosses a trail bike path (Fig...Ch. 3 - A ball rolls down a roof that makes an angle of...Ch. 3 - Prob. 66ECh. 3 - A 2.05-m-tall basketball player takes a shot when...Ch. 3 - Prob. 68ECh. 3 - Prob. 69ECh. 3 - A motorboat’s speed in still water is 2.0 m/s. The...Ch. 3 - Prob. 71ECh. 3 - In Exercise 71, what are the relative velocities...Ch. 3 - Prob. 73ECh. 3 - Prob. 74ECh. 3 - Prob. 75ECh. 3 - Prob. 76ECh. 3 - Prob. 77ECh. 3 - Prob. 78ECh. 3 - Prob. 79ECh. 3 - Prob. 80ECh. 3 - Prob. 81ECh. 3 - Prob. 82ECh. 3 - A shopper in a mall is on an escalator that is...Ch. 3 - An airplane is flying at 150 mi/h (its speed in...Ch. 3 - Prob. 85ECh. 3 - Prob. 86ECh. 3 - Prob. 87ECh. 3 - Prob. 88ECh. 3 - Prob. 89E
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