A 6 kg particle carrying a charge of 76 uC enters a uniform 8 T magnetic field a

Question

A 6 kg particle carrying a charge of 76 uC enters a uniform 8 T magnetic field at a speed of 95 m/s and with an angle of 23o with respect to the field lines, as shown in the figure. Answer the following questions: (Select T-True, F-False, If the first is T and the rest F, enter TFFFF).  

A) The particle's speed varies as it passes through the B-Field.
B) The particle follows a helical path.
C) The y-component of the particle's velocity is unchanged as it passes through the B-Field.
D) The initial force on the particle is in the +x direction.
E) The field does a finite (non-zero) amount of work on the particle as the particle's trajectory is bent by the field.

Explanation / Answer

Net force along vertical direction F = mg - qvB

A) True

B) True

C) False

D) False

E) True

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