7. A charged particle, q, is moving with speed v perpendicular to a uniform magnetic field.A second identical charged particle is moving with speed 3v perpendicular to the samemagnetic field. The time to complete one full circular revolution for the first particle isT1. The time to complete one full circular revolution for the particle moving with speed3v is(a) T1/9(b) T1/2(c) T1(d) 2 T1(e) 9 T1

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tharged particle, q, is moving with speed v perpendicular to a uniform magnetic econd identical charged particle is moving with speed 3v perpendicular to the s gnetic field. The time to complete one full circular revolution for the first partic The time to complete one full circular revolution for the particle moving with sp is T1/9 (b) T1/2 (c) T. (d) 2 T1 (e) 9 T1

tharged particle, q, is moving with speed v perpendicular to a uniform magnetic econd identical charged particle is moving with speed 3v perpendicular to the s gnetic field. The time to complete one full circular revolution for the first partic The time to complete one full circular revolution for the particle moving with sp is T1/9 (b) T1/2 (c) T. (d) 2 T1 (e) 9 T1

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 31P: An alpha-particle ( m=6.641027kg , q=3.21019C ) travels in a circular path of radius 25 cm in a...

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A spacecraft is in 4 circular orbit of radius equal to 3.0 104 km around a 2.0 1030 kg pulsar. The magnetic field of the pulsar at that radial distance is 1.0 102 T directed perpendicular to the velocity of the spacecraft. The spacecraft is 0.20 km long with a radius of 0.040 km and moves counter-clockwise in the xy-plane around the pulsar. (a) What is the speed of the spacecraft? (b) If the magnetic field points in the positive z-direction, is the emf induced from the back to the front of the spacecraft or from side to side? (c) Compute the induced emf. (d) Describe the hazards for astronauts inside any spacecraft moving in the vicinity of a pulsar.
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A proton (charge +e, mass mp), a deuteron (charge +e, mass 2mp), and an alpha particle (charge +2e, mass 4mp) are accelerated from rest through a common potential difference V. Each of the particles enters a uniform magnetic field B, with its velocity in a direction perpendicular to B. The proton moves in a circular path of radius p. In terms of p, determine (a) the radius rd of the circular orbit for the deuteron and (b) the radius r for the alpha particle.
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Why is the following situation impossible? Figure P28.46 shows an experimental technique for altering the direction of travel for a charged particle. A particle of charge q = 1.00 C and mass m = 2.00 1015 kg enters the bottom of the region of uniform magnetic field at speed = 2.00 105 m/s, with a velocity vector perpendicular to the field lines. The magnetic force on the particle causes its direction of travel to change so that it leaves the region of the magnetic field at the top traveling at an angle from its original direction. The magnetic field has magnitude B = 0.400 T and is directed out of the page. The length h of the magnetic field region is 0.110 m. An experimenter performs the technique and measures the angle at which the particles exit the top of the field. She finds that the angles of deviation are exactly as predicted. Figure P28.46
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