Two particles have the same charge (q1=q23D1.6x10-1C) and different masses undergo circular motion in a constant magnetic field (B = 0.40 T) with the same speed of 5x10° m/s. If their circular paths differ in radius by 4.9 cm, what is the difference in the mass of these two particles? m2 ml a. 8.18 x10^(-28) kg O b. 7.11 x10^(-28) kg Oc 6.27 x10^(-28) kg O d. 5.00 x10^(-28) kg O e. 9.21 x10^(-28) kg O O

Two particles have the same charge (q1=q23D1.6x10-1C) and different masses undergo circular motion in a constant magnetic field (B = 0.40 T) with the same speed of 5x10° m/s. If their circular paths differ in radius by 4.9 cm, what is the difference in the mass of these two particles? m2 ml a. 8.18 x10^(-28) kg O b. 7.11 x10^(-28) kg Oc 6.27 x10^(-28) kg O d. 5.00 x10^(-28) kg O e. 9.21 x10^(-28) kg O O

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter22: Magnetism

Section: Chapter Questions

Problem 15PE: (a) An oxygen16 ion with a mass at 2.661026kg travels at 5.00106m/s perpendicular to a 1.20T...

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(a) An oxygen16 ion with a mass at 2.661026kg travels at 5.00106m/s perpendicular to a 1.20T magnetic field, which makes it move in a circular arc with a 0.231-m radius. What positive charge is on the ion? (b) What is the radio of this charge to the charge of an electron? (c) Discuss why the radio found in (b) should be an integer.
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.
(a) A cosmic ray proton moving toward Earth at 5.00107 m/s experiences a magnetic force of 1.70l0l6 N. What is the strength of the magnetic field if there is a 45 angle between it and the proton’s velocity? (b) Is the value obtained in part a. consistent with the known strength of Earth's magnetic field on its surface? Discuss.
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.
CASE STUDY In Example 34.6 (page 1111), we imagined equipping 1950DA, an asteroid on a collision course with the Earth, with a solar sail in hopes of ejecting it from the solar system. We found that the enormous size required for the solar sail makes the plan impossible at this time. Of course, there is no need to eject such an object from the solar system: we only need to change the orbit. A much more pressing problem is Apophis, a 300-m asteroid that may be on a collision course with the Earth and is due to come by on April 13, 2029. It is unlikely to hit the Earth on that pass, but it will return again in 2036. If Apophis passes through a 600-m keyhole on its 2029 pass, it is expected to hit the Earth in 2036. causing great damage. There are plans to deflect Apophis when it comes by in 2029. For example, we could hit it with a 10- to 150-kg impactor accelerated by a solar sail. The impactor is launched from the Earth to start orbiting the Sun in the same direction as the Earth and Apophis. The idea is to use a solar sail to accelerate the impactor so that it reverses direction and collides head-on with Apophis at 8090 km/s and thereby keeps Apophis out of the keyhole. Consider the momentum in the impactors orbit (Fig. P34.75) when the solar sail makes an angle of = 60 with the tangent to its orbit. Current solar sails may be about 40 m on a side, but the hope is to construct some that are about 160 m on a side. Estimate the impactors tangential acceleration when it is about 1 AU from the Sun. Keep in mind that the sail is neither a perfect absorber nor a perfect reflector, and a heavier impactor would presumably be equipped with a larger sail. Dont be surprised by what may seem like a very small acceleration. FIGURE P34.75
The magnetic field in a cyclotron is 1.25 T, and the maximum orbital radius of the circulating protons is 0.40 m. (a) What is the kinetic energy of the protons when they are ejected from the cyclotron? (b) What Is this energy in MeV? (c) Through what potential difference would a proton have to be accelerated to acquire this kinetic energy? (d) What is the period of tire voltage source used to accelerate the piotons? (e) Repeat tire calculations for alpha-particles.
Two particles have the same charge (q1=q2=1.6x1019C) and different masses undergo circular motion in a constant magnetic field (B = 0.40 T) with the same speed of 5x10° m/s. If their circular paths differ in radius by 10.2 cm, what is the difference in the mass of these two particles? m2 O a. 13.06 x10^(-28) kg O b. 17.03 x10^(-28) kg O c. 14.79 x10^(-28) kg O d. 19.18 x10^(-28) kg O e. 10.40 x10^(-28) kg
Two particles have the same charge (q1=q2=1.6x10-19C) and different masses undergo circular motion in a constant magnetic field (B = 0.40 T) with the same speed of 5x10€ m/s. If their circular paths differ in radius by 14.8 cm, what is the difference in the mas s of these two particles? m2 m1 O a. 18.94 x10^(-28) kg O b. 21.46 x10^(-28) kg O c. 27.82 x10^(-28) kg O d. 24.72 x10^(-28) kg O e. 15.10 x10^(-28) kg
A Partice of charge q- moves in velocity V = Ot +3 - 13K in magnetic Field B=Cj-"k and. Electric Field E = 82 -3 + 8R. a. compare the Lorentz Force experienced by the Particle. b. Find the unit vector of the Force
06 A charged particle (9 = 2C, m = 2kg) moves in a magnetic field B = Boz, Where Bo = 27. There is no electric field. It circlar path. to Imo moves in NO r(t) = r cos (wt) x + rsin (cut)^ If the total energy is 2J, what is the angular velocity w and radius r?
IE Time left 1:10:27 15 Two particles have the same charge (q1-q2%3D1.6x10-19C) and different masses undergo circular motion in a constant magnetic field (B = 0.40 T) with the same speed of 5x10° m/s. If their circular out of paths differ in radius by 10.2 cm, what is the difference in the mass of these two particles? question m2 m1 O a. 17.03 x10^(-28) kg O b. 13.06 x10^(-28) kg O c. 10.40 x10^(-28) kg O d. 19.18 x10^(-28) kg O e. 14.79 x10^(-28) kg acer
field E = Suppose we have a kangaroo with charge q and velocity v = v(Î + 1). The kangaroo is immersed in an electric Ej and magnetic field B = Bĵ. What is the force experienced by the kangaroo (assume that the kangaroo is a point particle)? ○ A. B. O C. qEj ○ D. q[Eĵ +vB(îĵ +ĵ³)] q(Eĵ + vBk) q(Ej – vBk)