Applied Physics
11th Edition
ISBN: 9780132719865
Author: EWEN, Dale
Publisher: PEARSON
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Textbook Question
Chapter 5.2, Problem 32P
A scooter and rider together have a mass of 275 kg. (a) If the scooter slows with an acceleration of –4.50 m/s2 what is the net force on the scooter and rider? (b) Describe the direction of the force and state the meaning of the (–) sign.
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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
Applied Physics
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Fm = 21.0 lbCh. 5.3 - Find the mass for each weight. 7. Fw = 12,000 NCh. 5.3 - Find the mass for each weight. 8. Fw = 25, 000 NCh. 5.3 - Find the mass for the each weight. 9. Fw = 6.7 ...Ch. 5.3 - Find the mass for each weight. 10. Fw = 5.5 106...Ch. 5.3 - Find the weight of an 1150-kg automobile.Ch. 5.3 - Find the weight of an 81.5-slug automobile.Ch. 5.3 - Find the mass of a 2750-lb automobile.Ch. 5.3 - What is the mass of a 20,000-N truck?Ch. 5.3 - What is the mass of a 7500-N trailer?Ch. 5.3 - Find the mass of an 11,500-N automobile.Ch. 5.3 - Find the weight of a 1350-kg automobile (a) on the...Ch. 5.3 - Maria weighs 115 lb on the earth. What are her (a)...Ch. 5.3 - Johns mass is 65.0 kg on the earth. 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