College Physics
OER 2016 Edition
ISBN: 9781947172173
Author: OpenStax
Publisher: OpenStax College
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Textbook Question
Chapter 22, Problem 2PE
Repeal Exercise 22.1 for a negative charge.
Expert Solution & Answer
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An elevator car has two equal masses attached to the ceiling as shown. (Assume m = 3.10 kg.)
m
m
T₁
T2
(a) The elevator ascends with an acceleration of magnitude 2.00 m/s². What are the tensions in the two strings? (Enter your
answers in N.)
=
N
T₁
Τι
=
N
(b) The maximum tension the strings can withstand is 78.8 N. What is the maximum acceleration of the elevator so that a
string does not break? (Enter the magnitude in m/s².)
m/s²
(a) At what speed (in m/s) will a proton move in a circular path of the same radius as an electron that travels at 7.85 x 100 m/s perpendicular to the Earth's magnetic field at an altitude where the field strength is 1.20 x 10-5 T?
4.27e3
m/s
(b) What would the radius (in m) of the path be if the proton had the same speed as the electron?
7.85e6
x m
(c) What would the radius (in m) be if the proton had the same kinetic energy as the electron?
195.38
x m
(d) What would the radius (in m) be if the proton had the same momentum as the electron?
3.7205
m
!
Required information
The block shown is made of a magnesium alloy, for which E = 45 GPa and v = 0.35. Know that σx = -185 MPa.
NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part.
25 mm
B
D
40 mm
100 mm
Determine the magnitude of Oy for which the change in the height of the block will be zero.
The magnitude of Oy is
MPa.
Chapter 22 Solutions
College Physics
Ch. 22 - Volcanic and other such activity at the...Ch. 22 - Explain why the magnetic field would not be unique...Ch. 22 - List the ways in which magnetic field lines and...Ch. 22 - Noting that the magnetic field lines of a bar...Ch. 22 - Is the Earth's magnetic field parallel to the...Ch. 22 - If a charged particle moves in a straight line...Ch. 22 - How can the motion of a charged particle be used...Ch. 22 - High-velocity charged particles can damage...Ch. 22 - If a cosmic ray proton approaches the Earth from...Ch. 22 - Prob. 10CQ
Ch. 22 - Prob. 11CQCh. 22 - Prob. 12CQCh. 22 - While operating, a high-precision TV monitor is...Ch. 22 - Discuss how the Hall effect could be used to...Ch. 22 - Prob. 15CQCh. 22 - Prob. 16CQCh. 22 - Why would a magnetohydrodynamic drive work better...Ch. 22 - Which is more likely to interfere with compass...Ch. 22 - Prob. 19CQCh. 22 - Prob. 20CQCh. 22 - Is the force attractive or repulsive between the...Ch. 22 - Prob. 22CQCh. 22 - Suppose two long straight wires run perpendicular...Ch. 22 - Prob. 24CQCh. 22 - Prob. 25CQCh. 22 - Electric field lines can be shielded by me Faraday...Ch. 22 - Measurements at the weak and ?uctuating magnetic...Ch. 22 - Discuss the possibility that a Hall voltage would...Ch. 22 - A patient in an MRI unit turns his head quickly to...Ch. 22 - You are told that in a certain region there is...Ch. 22 - An example of magnetohydrodynamics (MHD) comes...Ch. 22 - Draw gravitational field lines between 2 masses,...Ch. 22 - Prob. 1PECh. 22 - Repeal Exercise 22.1 for a negative charge.Ch. 22 - Prob. 3PECh. 22 - Repeal Exercise 22.3 for a positive charge.Ch. 22 - Prob. 5PECh. 22 - Repeal Exercise 22.5 for a negative charge.Ch. 22 - What is the maximum force on an aluminum rod with...Ch. 22 - (a) Aircraft sometimes acquire small static...Ch. 22 - (a) A cosmic ray proton moving toward the Earth at...Ch. 22 - An electron moving at 4.00103m/s in a 1.25T...Ch. 22 - (a) A physicist performing a sensitive measurement...Ch. 22 - A cosmic ray electron moves at 7.50106m/s...Ch. 22 - A proton moves at 7.50107m/s perpendicular to a...Ch. 22 - (a) Viewers of Star Trek hear of an antimatter...Ch. 22 - (a) An oxygen16 ion with a mass at 2.661026kg...Ch. 22 - What radius circular path does an electron travel...Ch. 22 - A velocity selector in a mass spectrometer uses a...Ch. 22 - An electron in a TV CRT moves with a speed at...Ch. 22 - (a) At what speed will a proton move in a circular...Ch. 22 - A mass spectrometer is being used to separate...Ch. 22 - (a) Triply charged uranium-235 and uranium-238...Ch. 22 - A large water main is 2.50 m in diameter and the...Ch. 22 - What Hall voltage is produced by a 0.200T field...Ch. 22 - (a) What is the speed of a supersonic aircraft...Ch. 22 - A nonmechanical water meter could utilize the Hall...Ch. 22 - Calculate the Hall voltage induced on a patient’s...Ch. 22 - A Hall probe calibrated to read 1.00V when placed...Ch. 22 - Using information in Example 20.6, what would the...Ch. 22 - Show that the Hall voltage across wires made of...Ch. 22 - A patient with a pacemaker is mistakenly being...Ch. 22 - Prob. 31PECh. 22 - Prob. 32PECh. 22 - Prob. 33PECh. 22 - (a) What is the force per meter on a lightning...Ch. 22 - (a) A DC power line for a light-rail system...Ch. 22 - What force is exerted on the water in an MHD drive...Ch. 22 - A wire carrying a 30.0-A current passes between...Ch. 22 - (a) A 0.750-m-long section of cable carrying...Ch. 22 - (a) What is the angle between a wire carrying an...Ch. 22 - Prob. 40PECh. 22 - (a) By how many percent is the torque of a motor...Ch. 22 - (a) What is me maximum torque on a 150Turn square...Ch. 22 - Find the current through a loop needed to create a...Ch. 22 - Calculate the magnetic field strength needed on a...Ch. 22 - Since the equation for torque on a...Ch. 22 - (a) At what angle (is the torque on a current loop...Ch. 22 - A proton has a magnetic field due to its spin on...Ch. 22 - (a) A 200Turn circular loop of radius 50.0 cm is...Ch. 22 - Repeat Exercise 22.41, but with the loop lying...Ch. 22 - (a) The hot and neutral wires supplying DC power...Ch. 22 - The force per meter between the two wires of a...Ch. 22 - A 2.50m segment of wire supplying current to the...Ch. 22 - The wire carrying 400 A to The motor of a commuter...Ch. 22 - An AC appliance cord has its hot and neutral wires...Ch. 22 - Prob. 55PECh. 22 - Prob. 56PECh. 22 - Prob. 57PECh. 22 - Prob. 58PECh. 22 - Prob. 59PECh. 22 - Prob. 60PECh. 22 - To see why an MRI utilizes iron to increase the...Ch. 22 - Inside a motor, 30.0 A passes through a 250-turn...Ch. 22 - Nonnuclear submarines use batteries for power when...Ch. 22 - How strong is the magnetic field inside a solenoid...Ch. 22 - What current is needed in the solenoid described...Ch. 22 - How far from the starter cable of a car, carrying...Ch. 22 - Prob. 67PECh. 22 - Prob. 68PECh. 22 - Prob. 69PECh. 22 - Prob. 70PECh. 22 - Prob. 71PECh. 22 - Calculate the size of the magnetic field 20 m...Ch. 22 - Prob. 73PECh. 22 - Integrated Concepts (a) What voltage will...Ch. 22 - Integrated Concepts Find the radius of curvature...Ch. 22 - Integrated Concepts To construct a nonmechanical...Ch. 22 - Integrated Concepts (a) Using the values given for...Ch. 22 - Integrated Concepts (a) Calculate the maximum...Ch. 22 - Integrated Concepts A current balance used to...Ch. 22 - Prob. 80PECh. 22 - Prob. 81PECh. 22 - Integrated Concepts (a) A 0.140-kg baseball,...Ch. 22 - Integrated Concepts (a) What is the direction of...Ch. 22 - Integrated Concepts One long straight wire is to...Ch. 22 - Unreasonable Results (a) Find the charge on a...Ch. 22 - Unreasonable Results A charged particle having...Ch. 22 - Unreasonable Results An inventor wants to generate...Ch. 22 - Unreasonable Results Frustrated by the small Hall...Ch. 22 - Unreasonable Results A surveyor 100 m from a long...Ch. 22 - Construct Your Own Problem Consider a mass...Ch. 22 - Construct Your Own Problem Consider using the...Ch. 22 - Prob. 1TPCh. 22 - Prob. 2TPCh. 22 - Prob. 3TPCh. 22 - Prob. 4TPCh. 22 - Prob. 5TPCh. 22 - Prob. 6TPCh. 22 - Prob. 7TPCh. 22 - Prob. 8TPCh. 22 - Prob. 9TPCh. 22 - Prob. 10TPCh. 22 - Prob. 11TPCh. 22 - Prob. 12TPCh. 22 - Prob. 13TPCh. 22 - Prob. 14TPCh. 22 - Prob. 15TPCh. 22 - Prob. 16TP
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