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1) let's consider the example of a mass spectrometer, where we send a charged particle with...

1)

let's consider the example of a mass spectrometer, where we send a charged particle with a speed v into a 2T magnetic field. The initial direction of the particle is to the right. If the magnetic field is directed to the left, what will be the direction of the force on the particle?

2)

Suppose two different particles A and B moved along curved paths in the same magnetic field, A along one path with a radius r and B with a radius 4r. Which of the following are consistent with this observation?

a) A has twice the mass of B as well as twice the charge

b) A has 4 times the charge of B

c) B has 4 times the mass of A

d) B has twice the speed of A as well as twice the mass

e) B is traveling 2 times faster than A

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