Question 3: Circular motion of charge in B field An oxygen-16 ion with a mass of 2.66 × 10-26kg travels at 5.0 × 10ºm/s perpendicular to a 1.20 T magnetic field, which makes it move in a circular arc with a 0.231m radius. (a) What positive charge is on the ion? (b) What is the ratio of this charge to the charge of an electron? (c) Discuss why the ratio found in (b) should be an integer. An alpha-particle (m= 6.64 x 10-27 kg, q = 3.2 × 10-1⁹C) travels in a circular path of radius 25 cm in a uniform magnetic field of magnitude 1.5 T. (e) What is the speed of the particle? (f) What is the kinetic energy of this particle?

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Question 3: Circular motion of charge in B field
An oxygen-16 ion with a mass of 2.66 x 10-26kg travels at 5.0 × 10 m/s
perpendicular to a 1.20 T magnetic field, which makes it move in a circular arc with a
0.231m radius. (a) What positive charge is on the ion? (b) What is the ratio of this
charge to the charge of an electron? (c) Discuss why the ratio found in (b) should be an
integer.
An alpha-particle (m= 6.64 x 10-27 kg, q = 3.2 × 10-1⁹ C) travels in a circular path
of radius 25 cm in a uniform magnetic field of magnitude 1.5 T. (e) What is the speed of
the particle? (f) What is the kinetic energy of this particle?
Transcribed Image Text:Question 3: Circular motion of charge in B field An oxygen-16 ion with a mass of 2.66 x 10-26kg travels at 5.0 × 10 m/s perpendicular to a 1.20 T magnetic field, which makes it move in a circular arc with a 0.231m radius. (a) What positive charge is on the ion? (b) What is the ratio of this charge to the charge of an electron? (c) Discuss why the ratio found in (b) should be an integer. An alpha-particle (m= 6.64 x 10-27 kg, q = 3.2 × 10-1⁹ C) travels in a circular path of radius 25 cm in a uniform magnetic field of magnitude 1.5 T. (e) What is the speed of the particle? (f) What is the kinetic energy of this particle?
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