An alpha particle is moving at a speed of 5 105 m/s in a ...

[yoroshambo]

An alpha particle is moving at a speed of 5  105 m/s in a direction perpendicular to a uniform magnetic field of strength 4  10-2 T. The charge on an alpha particle is 3.2  10-19 C and its mass is 6.6  10-27 kg.
 
  (a) The radius of the path of the alpha particle is (b) The time it takes the alpha particle to complete one revolution around its path is

Question 2

The coil in a 60-Hz ac generator has an area of 3.0  10-2 m2 and is rotated in a 0.12 T magnetic field. The coil has 125 turns. What is the peak output voltage of this generator?
 
  A)
 
  170 V
  B)
 
  120 V
  C)
 
  200 V
  D)
 
  110 V
  E)
 
  220 V

[nickk12214]

Answer to Question 1

(a) 0.26 m.
(b) 3.2  10-6 s.

Answer to Question 2

A

[yoroshambo]

Excellent

[upturnedfurball]

Gracias!