Webassign Printed Access Card For Serway/jewett's Physics For Scientists And Engineers, 10th, Single-term
10th Edition
ISBN: 9781337699266
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 5, Problem 38AP
Why is the following situation impossible? A book sits on an inclined plane on the surface of the Earth. The angle of the plane with the horizontal is 60.0°. The coefficient of kinetic friction between the book and the plane is 0.300. At time t = 0, the book is released from rest. The book then slides through a distance of 1.00 m, measured along the plane, in a time interval of 0.483 s.
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Kirchoff's Laws. A circuit contains 3 known resistors, 2 known batteries, and 3 unknown currents as shown.
Assume the current flows through the circuit as shown (this is our initial guess, the actual currents may be
reverse). Use the sign convention that a potential drop is negative and a potential gain is positive.
E₂ = 8V
R₁₁ = 50
R₂ = 80
b
с
w
11
www
12
13
E₁ = 6V
R3 = 20
a) Apply Kirchoff's Loop Rule around loop abefa in the clockwise direction starting at point a. (2 pt).
b) Apply Kirchoff's Loop Rule around loop bcdeb in the clockwise direction starting at point b. (2 pt).
c) Apply Kirchoff's Junction Rule at junction b (1 pt).
d) Solve the above 3 equations for the unknown currents I1, 12, and 13 and specify the direction of the current
around each loop. (5 pts)
I1 =
A
12 =
A
13 =
A
Direction of current around loop abef
Direction of current around loop bcde
(CW or CCW)
(CW or CCW)
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4.) The diagram shows the electric field lines of a positively charged conducting sphere of
radius R and charge Q.
A
B
Points A and B are located on the same field line.
A proton is placed at A and released from rest. The magnitude of the work done by the electric field in
moving the proton from A to B is 1.7×10-16 J. Point A is at a distance of 5.0×10-2m from the centre of
the sphere. Point B is at a distance of 1.0×10-1 m from the centre of the sphere.
(a) Explain why the electric potential decreases from A to B. [2]
(b) Draw, on the axes, the variation of electric potential V with distance r from the centre of the
sphere.
R
[2]
(c(i)) Calculate the electric potential difference between points A and B. [1]
(c(ii)) Determine the charge Q of the sphere. [2]
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Chapter 5 Solutions
Webassign Printed Access Card For Serway/jewett's Physics For Scientists And Engineers, 10th, Single-term
Ch. 5.2 - Which of the following statements is correct? (a)...Ch. 5.4 - An object experiences no acceleration. Which of...Ch. 5.4 - You push an object, initially at rest, across a...Ch. 5.5 - Suppose you are talking by interplanetary...Ch. 5.6 - (i) If a fly collides with the windshield of a...Ch. 5.8 - You press your physics textbook flat against a...Ch. 5.8 - Charlie is playing with his daughter Toney in the...Ch. 5 - A certain orthodontist uses a wire brace to align...Ch. 5 - One or more external forces, large enough to be...Ch. 5 - A 3.00-kg object undergoes an acceleration given...
Ch. 5 - The average speed of a nitrogen molecule in air is...Ch. 5 - Two forces, F1=(6.00i4.00j)N and...Ch. 5 - The force exerted by the wind on the sails of a...Ch. 5 - Review. Three forces acting on an object are given...Ch. 5 - If a single constant force acts on an object that...Ch. 5 - Review. The gravitational force exerted on a...Ch. 5 - Review. The gravitational force exerted on a...Ch. 5 - Review. An electron of mass 9. 11 1031 kg has an...Ch. 5 - If a man weighs 900 N on the Earth, what would he...Ch. 5 - You stand on the seat of a chair and then hop off....Ch. 5 - A brick of mass M has been placed on a rubber...Ch. 5 - Review. Figure P5.15 shows a worker poling a boata...Ch. 5 - An iron bolt of mass 65.0 g hangs from a string...Ch. 5 - A block slides down a frictionless plane having an...Ch. 5 - A bag of cement whose weight is Fg hangs in...Ch. 5 - The distance between two telephone poles is 50.0...Ch. 5 - An object of mass m = 1.00 kg is observed to have...Ch. 5 - A simple accelerometer is constructed inside a car...Ch. 5 - An object of mass m1 = 5.00 kg placed on a...Ch. 5 - In the system shown in Figure P5.23, a horizontal...Ch. 5 - A car is stuck in the mud. A tow truck pulls on...Ch. 5 - An object of mass m1 hangs from a string that...Ch. 5 - Why is the following situation impassible? Your...Ch. 5 - Consider a large truck carrying a heavy load, such...Ch. 5 - Before 1960m people believed that the maximum...Ch. 5 - A 9.00-kg hanging object is connected by a light,...Ch. 5 - The person in Figure P5.30 weighs 170 lb. As seen...Ch. 5 - Three objects are connected on a table as shown in...Ch. 5 - You are working as a letter sorter in a U.S Post...Ch. 5 - You have been called as an expert witness for a...Ch. 5 - A block of mass 3.00 kg is pushed up against a...Ch. 5 - Review. A Chinook salmon can swim underwater at...Ch. 5 - A 5.00-kg block is placed on top of a 10.0-kg...Ch. 5 - A black aluminum glider floats on a film of air...Ch. 5 - Why is the following situation impossible? A book...Ch. 5 - Two blocks of masses m1 and m2, are placed on a...Ch. 5 - A 1.00-kg glider on a horizontal air track is...Ch. 5 - An inventive child named Nick wants to reach an...Ch. 5 - A rope with mass mr is attached to a block with...Ch. 5 - In Example 5.7, we pushed on two blocks on a...Ch. 5 - In the situation described in Problem 41 and...Ch. 5 - A crate of weight Fg is pushed by a force P on a...Ch. 5 - In Figure P5.46, the pulleys and pulleys the cord...Ch. 5 - You are working as an expert witness for the...Ch. 5 - A flat cushion of mass m is released from rest at...Ch. 5 - What horizontal force must be applied to a large...Ch. 5 - An 8.40-kg object slides down a fixed,...Ch. 5 - A block of mass 2.20 kg is accelerated across a...Ch. 5 - Why is the following situation impossible? A...Ch. 5 - Initially, the system of objects shown in Figure...Ch. 5 - A mobile is formed by supporting four metal...Ch. 5 - In Figure P5.55, the incline has mass M and is...
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