University Physics Volume 2
18th Edition
ISBN: 9781938168161
Author: OpenStax
Publisher: OpenStax
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Chapter 11, Problem 24P
(a) A physicist performing a sensitive measurement wants to limit the magnetic force on a moving charge in her equipment to less than
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For each of the actions depicted below, a magnet and/or metal loop moves with velocity v→ (v→ is constant and has the same magnitude in all parts). Determine whether a current is induced in the metal loop. If so, indicate the direction of the current in the loop, either clockwise or counterclockwise when seen from the right of the loop. The axis of the magnet is lined up with the center of the loop. For the action depicted in (Figure 5), indicate the direction of the induced current in the loop (clockwise, counterclockwise or zero, when seen from the right of the loop). I know that the current is clockwise, I just dont understand why. Please fully explain why it's clockwise, Thank you
A planar double pendulum consists of two point masses \[m_1 = 1.00~\mathrm{kg}, \qquad m_2 = 1.00~\mathrm{kg}\]connected by massless, rigid rods of lengths \[L_1 = 1.00~\mathrm{m}, \qquad L_2 = 1.20~\mathrm{m}.\]The upper rod is hinged to a fixed pivot; gravity acts vertically downward with\[g = 9.81~\mathrm{m\,s^{-2}}.\]Define the generalized coordinates \(\theta_1,\theta_2\) as the angles each rod makes with thedownward vertical (positive anticlockwise, measured in radians unless stated otherwise).At \(t=0\) the system is released from rest with \[\theta_1(0)=120^{\circ}, \qquad\theta_2(0)=-10^{\circ}, \qquad\dot{\theta}_1(0)=\dot{\theta}_2(0)=0 .\]Using the exact nonlinear equations of motion (no small-angle or planar-pendulumapproximations) and assuming the rods never stretch or slip, determine the angle\(\theta_2\) at the instant\[t = 10.0~\mathrm{s}.\]Give the result in degrees, in the interval \((-180^{\circ},180^{\circ}]\).
What are the expected readings of the ammeter and voltmeter for the circuit in the figure below? (R = 5.60 Ω, ΔV = 6.30 V)
ammeter
I =
Chapter 11 Solutions
University Physics Volume 2
Ch. 11 - Check Your Understanding Repeat the previous...Ch. 11 - Check Your Understanding A uniform magnetic field...Ch. 11 - Check Your Understanding A straight, flexible...Ch. 11 - Check Your Understanding In what orientation would...Ch. 11 - Check Your Understanding A Hall people consists of...Ch. 11 - Check Your Understanding A cyclotron is to be...Ch. 11 - Discuss the similarities and differences between...Ch. 11 - (a) Is it possible for the magnetic force on a...Ch. 11 - At a given instant, an electron and a proton are...Ch. 11 - Does increasing the magnitude of a uniform...
Ch. 11 - An electron passes through a magnetic field...Ch. 11 - If a charged particle moves in a straight line,...Ch. 11 - How could you determine which pole of an...Ch. 11 - Describe the error that results from accidently...Ch. 11 - Considering the magnetic force law, are the...Ch. 11 - Why can a nearby magnet distort a cathode ray tube...Ch. 11 - A magnetic field exerts a force on the moving...Ch. 11 - There are regions where the magnetic field of...Ch. 11 - Hall potentials are much larger for poor...Ch. 11 - Describe the primary function of the electric...Ch. 11 - What is the direction of the magnetic force on a...Ch. 11 - Repeat previous exercise for a negative charge.Ch. 11 - What is the direction of the velocity of a...Ch. 11 - Repeat previous exercise for a positive charge.Ch. 11 - What is the direction of the magnetic field that...Ch. 11 - Repeat previous exercise for a negative charge.Ch. 11 - (a) Aircraft sometimes acquire small static...Ch. 11 - (a) A cosmic ray proton moving toward Earth at...Ch. 11 - An electron moving at 4.00103 m/s in a 1.25-T...Ch. 11 - (a) A physicist performing a sensitive measurement...Ch. 11 - A cosmic-ray electron moves at 7.5 × 106 m/sinches...Ch. 11 - (a) Viewers of Star Trek have heard of an...Ch. 11 - (a) An oxygen-16 ion with a mass of 2.661026 kg...Ch. 11 - An electron in a TV CRT moves with a speed of...Ch. 11 - (a) At what speed will a proton move in a circular...Ch. 11 - (a) What voltage will accelerate electrons to a...Ch. 11 - An alpha-particle ( m=6.641027kg , q=3.21019C )...Ch. 11 - A particle of charge q and mass m is accelerated...Ch. 11 - What is the direction of the magnetic force on the...Ch. 11 - What is the direction of a current that...Ch. 11 - What is the direction of the magnetic field that...Ch. 11 - (a) What is the force per meter on a lightning...Ch. 11 - (a) A dc power line for a light-rail system caries...Ch. 11 - A wire carrying a 30.0-A current passes between...Ch. 11 - (a) By how many percent is the torque of a motor...Ch. 11 - (a) What is the maximum torque on a 150-tum square...Ch. 11 - Find the current through a loop needed to create a...Ch. 11 - Calculate the magnetic field strength needed on a...Ch. 11 - Since the equation for torque on a...Ch. 11 - , (a) At what angle 0 is tlie torque on a current...Ch. 11 - A proton has a magnetic field due to its spin. The...Ch. 11 - (a) A 200-turn circular loop of radius SO.0 cm is...Ch. 11 - Repeat the previous problem, but with the loop...Ch. 11 - A strip of copper is placed in a uniform magnetic...Ch. 11 - The cross-sectional dimensions of the copper strip...Ch. 11 - The magnitudes of the electric and magnetic fields...Ch. 11 - A charged particle moves through a velocity...Ch. 11 - A Hall probe gives a reading of 1.5V for a current...Ch. 11 - A physicist is designing a cyclotron to accelerate...Ch. 11 - The strengths of the fields in the velocity...Ch. 11 - The magnetic field in a cyclotron is 1.25 T, and...Ch. 11 - A mass spectrometer is being used to separate...Ch. 11 - (a) Triply charged uranium-235 and uranium-238...Ch. 11 - Calculate the magnetic force on a hypothetical...Ch. 11 - Repeat the previous problem with a new magnetic...Ch. 11 - An electron is projected into a uniform magnetic...Ch. 11 - The mass and chaise of a water droplet are 1.0104g...Ch. 11 - Four different proton velocities are given. For...Ch. 11 - An electron of kinetic energy 2000 eV passes...Ch. 11 - An alpha-particle (m=6.641027kg,q=3.21019C) moving...Ch. 11 - An electron moving with a velocity...Ch. 11 - At a particular instant an electron is traveling...Ch. 11 - Repeat the calculations of the previous problem...Ch. 11 - What magnetic field is required in order to...Ch. 11 - An electron and a proton move with the same speed...Ch. 11 - A proton and an alpha-particle have the same...Ch. 11 - A singly charged ion takes 2.0 × 10-3 s to...Ch. 11 - A particle moving downward at a speed of 6.0106...Ch. 11 - , A proton, deuteron, and an alpha-particle ae all...Ch. 11 - A singly charged ion is moving in a uniform...Ch. 11 - Two particles have the same linear momentum, but...Ch. 11 - A uniform magnetic field of magnitude is directed...Ch. 11 - An electron moving along the +x -axis at 5.0106m/s...Ch. 11 - (a) A 0.750-m-long section of cable carrying...Ch. 11 - (a)What is the angle between a wire carrying an...Ch. 11 - A 1.0-rn-long segment of wire lies along the...Ch. 11 - A 5.0-m section of a long, straight wire carries a...Ch. 11 - An electromagnet produces a magnetic field of...Ch. 11 - The current loop shown in the accompanying figure...Ch. 11 - A circular coil of radius 5.0 cm is wound with...Ch. 11 - Acircularcoiofwireofradius5.Ocmhas2Otums and...Ch. 11 - A current-carrying coil in a magnetic field...Ch. 11 - A 40-cm by 6.0-cm rectangular current loop carries...Ch. 11 - A circular coil with 200 turns Las a radius of 2.0...Ch. 11 - The current through a circular wire loop of radius...Ch. 11 - A wire of length 1.0 m is wound into a single-turn...Ch. 11 - Consider an electron rotating in a circular orbit...Ch. 11 - The Hall effect is to be used to find the sign of...Ch. 11 - The density of charge carriers far copper is...Ch. 11 - The Hall effect is to be used to find the density...Ch. 11 - Show tliat the Hall voltage across wires made of...Ch. 11 - A velocity selector in a mass spectrometer uses a...Ch. 11 - Find the radius of curvature of the path of a...Ch. 11 - Unreasonable results To construct a non-mechanical...Ch. 11 - Unreasonable results A charged particle having...Ch. 11 - Unreasonable results An inventor wants to generate...Ch. 11 - Unreasonable results Frustrated by the small Hall...Ch. 11 - A particle of charge +q and mass m moves with...Ch. 11 - A proton of speed v=6105m/s enters a region of...Ch. 11 - A particle’s path is bent when it passes through a...Ch. 11 - In a region a non-uniform magnetic field exists...Ch. 11 - A copper rod of mass in and length L is hung from...Ch. 11 - The accompanied figure shows an arrangement for...Ch. 11 - A wire ismade into a circular shape of radius R...Ch. 11 - A long-rigid wire lies along the x-axis and cairns...Ch. 11 - A circular loop of wire of area 10 cm2 carries a...
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