Suppose the initial speed of the proton in the figure( Figure 1) is decreased. Part A Does the time spent in each of the field regions increase, decrease, or stay the same? Figure 1 of 1 B₂ B₁ B3 increases decreases stays the same Submit Request Answer Part B Choose the best explanation from among the following: With a smaller speed the proton is forced out of each magnetic region more quickly, which results in a decrease in the time. The time for an orbit in a magnetic field is independent of speed. Therefore, the time the proton spends in each of magnetic regions is the same no matter what its speed. The proton moves more slowly, and therefore the time spent moving through each of magnetic regions will increase. Submit Request Answer Provide Feedback Next >

Suppose the initial speed of the proton in the figure( Figure 1) is decreased. Part A Does the time spent in each of the field regions increase, decrease, or stay the same? Figure 1 of 1 B₂ B₁ B3 increases decreases stays the same Submit Request Answer Part B Choose the best explanation from among the following: With a smaller speed the proton is forced out of each magnetic region more quickly, which results in a decrease in the time. The time for an orbit in a magnetic field is independent of speed. Therefore, the time the proton spends in each of magnetic regions is the same no matter what its speed. The proton moves more slowly, and therefore the time spent moving through each of magnetic regions will increase. Submit Request Answer Provide Feedback Next >

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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An electron and a proton are launched downwards with the same speed v into a magnetic field that is directed into the page. Describe and draw the different paths of the electron and the proton. Comment on the relative trajectories of the particles, and explain how the characteristics of the particles affect their paths.
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A LASIK vision correction system uses a laser that emits 10-ns-long pulses of light, each with 2.5 mJ of energy. The laser is focused to a 0.85-mm- diameter circle. Part A What is the average power of each laser pulse? Express your answer using two significant figures. P = 2.5x105 W Submit Previous Answers Part B Correct What is the electric field strength of the laser light at the focus point? Express your answer using two significant figures. ΜΕ ΑΣΦ VAΣ+ ? хахь √x x x x.10" E-5.66 101 You have already submitted this answer. Enter a new answer. No credit lost. Try again. Submit Previous Answers Request Answer N/C
The diagram below represents an electron being fired at right angles towards a uniform magnetic field acting out of the page. a Copy the diagram and mark on it the continued path you would expect the electron to follow. b Which factors would alter the path radius of the electron as it travels? A stream of electrons travels in a straight line through a uniform magnetic field and between a pair of charged parallel plates, as shown in the diagram. 3.5 cm 500 V Calculate the: a magnitude of the electric field strength between the plates b speed of the electrons, given that the magnetic field is of strength 1.5 x 10 T.
An electron enters a large solenoid at a 7.2" angle to the axis. Part A If the field is a uniform 3.7x10-2T, determine the radius of the electron's helical path if its speed is 2.0x107 m/s Express your answer using two significant figures. ? m
Two long wires carry 10 A currents in the directions shown in the figure (Figure 1). One wire is 20 cm above the other. 1. What is the magnitude of the magnetic field at a point halfway between them? Express your answer with the appropriate units. 2. What is the direction of that magnetic field? A. Downward and to the right, at an angle of 45∘ from both wires. B. Upward and to the left, at an angle of 45∘ from both wires. C. Upward and to the right, at an angle of 45∘ from both wires. D. Downward and to the left, at an angle of 45∘ from both wires.
A straight wire of length 45 cm is moved an angle of 30° to a uniform magnetic field of 2.0 x 106 T with speed of 3.5 ms'. Calculate the induce e.m.f produced in the wire. If the wire is connected to circuit of resistance of 2.0 Q, determine the amount of charge will flow in the circuit. Suggest one way by which this amount of charge may be increased. With the help of a diagram, explain your answer.
I. Use the 1st picture as reference for solving, and 2nd picture for answering. Part 1: Find the magnetic field at z=R from the wire. Part 2: How much current is enclosed at 0<z<R?
Determine the direction of the magnetic field lines produced by the following current-carrying straight conductors. Provide a brief explanation of your answer. (Which RHR was used, etc...) Determine the direction of conventional current flow in the following diagrams where magnetic field lines are indicated by an arrow, a dot, or an "x" depending on their direction. Provide a justification for your choice. C Solution: 00000 Determine the direction of the magnetic field produced by the current flowing in the following solenoids, by labelling the magnetic poles in the correct locations. Be sure to note subtle changes in the direction of the coil windings and the cell orientation. Provide a justification for your choice. S Solution: N Solution: Determine the orientation of the battery cell in the following solenoids such that the current produces the magnetic field shown. Provide a justification for your choice. Solution: C Solution: Z S Solution: ✓ Solution: Solution:
Suppose the electric field between the plates P and P' in the mass spectrometer in following figure is 1.81x104 V/m and the magnetic field in both regions is 0.676 T.(Figure 1) Part A If the source contains the three isotopes of krypton, 82 Kr,84 Kr, and 86Kr, and the ions are singly charged, find the distance between the two adjaicent lines formed by the three isotopes on the photographic plate. Assume the atomic masses of the isotopes (in atomic mass units) are equal to their mass numbers, 82, 84, and 86. (One atomic mass unit = 1u = 1.66 × 10-27 kg.) Express your answer in meters. ΠΙΑΣΦ d = 0.001488 Submit Previous Answers Request Answer Provide Feedback ? X Incorrect; Try Again; 5 attempts remaining Review | Constants m Next >