Bundle: College Physics, Loose-Leaf Version, 10th, + WebAssign Printed Access Card for Serway/Vuille's College Physics, 10th Edition, Multi-Term
10th Edition
ISBN: 9781305367395
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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Chapter 5, Problem 69AP
(a) A 75-kg man steps out a window and falls (from rest) 1.0 m to a sidewalk. What is his speed just before his feet strike the pavement? (b) If the man falls with his knees and ankles locked, the only cushion for his fall is an approximately 0.50-cm give in the pads of his feet. Calculate the average force exerted on him by the ground during this 0.50 cm of travel. This average force is sufficient to cause damage to cartilage in the joints or to break bones.
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I do not understand the process to answer the second part of question b. Please help me understand how to get there!
Rank the six combinations of electric charges on the basis of the electric force acting on 91. Define forces pointing to the right as positive and forces pointing to the left as negative.
Rank in increasing order by placing the most negative on the left and the most positive on the right. To rank items as equivalent, overlap them.
▸ View Available Hint(s)
[most negative
91 = +1nC
92 = +1nC
91 = -1nC
93 = +1nC
92- +1nC
93 = +1nC
-1nC
92- -1nC
93- -1nC
91= +1nC
92 = +1nC
93=-1nC
91
+1nC
92=-1nC
93=-1nC
91 = +1nC
2 = −1nC
93 = +1nC
The correct ranking cannot be determined.
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most positive
Part A
Find the x-component of the electric field at the origin, point O.
Express your answer in newtons per coulomb to three significant figures, keeping in mind that an x component that points to the right is positive.
▸ View Available Hint(s)
Eoz =
Η ΑΣΦ
?
N/C
Submit
Part B
Now, assume that charge q2 is negative; q2 = -6 nC, as shown in (Figure 2). What is the x-component of the net electric field at the origin, point O?
Express your answer in newtons per coulomb to three significant figures, keeping in mind that an x component that points to the right is positive.
▸ View Available Hint(s)
Eoz=
Η ΑΣΦ
?
N/C
Chapter 5 Solutions
Bundle: College Physics, Loose-Leaf Version, 10th, + WebAssign Printed Access Card for Serway/Vuille's College Physics, 10th Edition, Multi-Term
Ch. 5.1 - In Figure 5.5 (a)-(d), a block moves to the right...Ch. 5.3 - Three identical halls are thrown from the top of a...Ch. 5.3 - Bob, of mass m, drops from a tree limb at the same...Ch. 5.5 - Prob. 5.4QQCh. 5 - Physics Review A crane lifts a loud of bricks of...Ch. 5 - Physics Review A crate of mass 20.0 kg rest on a...Ch. 5 - Calculate the work done by an applied force of...Ch. 5 - Prob. 4WUECh. 5 - Prob. 5WUECh. 5 - A 4.00-kg crate Marling at rest slides dawn a...
Ch. 5 - A skier leaves a ski jump at 15.0 m/s at some...Ch. 5 - A block of mass 3.00 kg is placed against a...Ch. 5 - What average mechanical power must a 70.0-kg...Ch. 5 - A puck of mass 0.170 kg slides across ice in the...Ch. 5 - Consider a tug-of-war as in Figure CQ5.1, in which...Ch. 5 - During a stress test of the cardiovascular system,...Ch. 5 - (a) If the height of a playground slide is kept...Ch. 5 - (a) Can the kinetic energy of a system be...Ch. 5 - Roads going up mountains are formed into...Ch. 5 - A bowling ball is suspended from the ceiling of a...Ch. 5 - As a simple pendulum swings back and forth, the...Ch. 5 - Discuss whether any work is being done by each of...Ch. 5 - When a punter kicks a football, is he doing any...Ch. 5 - The driver of a car slams on her brakes to avoid...Ch. 5 - A weight is connected to a spring that is...Ch. 5 - In most situations we have encountered in this...Ch. 5 - Suppose you are reshelving books in a library. 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