An alpha-particle (m = 6.64 × 10−27 kg, q = 3.2 × 10−19 C) travels in a circular path of radius 25 cm while in a uniform magnetic field of strength 1.5 T. (a) What is the speed of the particle? (b) What is the particle’s kinetic energy? Give your solution in both Joules and electron-volts. (c) What potential difference must the particle be accelerated through in order to reach this kinetic energy? (d) Repeat the problem for an electron instead of an alpha-particle.

An alpha-particle (m = 6.64 × 10−27 kg, q = 3.2 × 10−19 C) travels in a circular path of radius 25 cm while in a uniform magnetic field of strength 1.5 T. (a) What is the speed of the particle? (b) What is the particle’s kinetic energy? Give your solution in both Joules and electron-volts. (c) What potential difference must the particle be accelerated through in order to reach this kinetic energy? (d) Repeat the problem for an electron instead of an alpha-particle.

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Question

. An alpha-particle (m = 6.64 × 10−27 kg, q = 3.2 × 10−19 C) travels in a circular path of radius 25 cm while in
a uniform magnetic field of strength 1.5 T.

(a) What is the speed of the particle?
(b) What is the particle’s kinetic energy? Give your solution in both Joules and electron-volts.
(c) What potential difference must the particle be accelerated through in order to reach this kinetic energy?
(d) Repeat the problem for an electron instead of an alpha-particle.

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