A proton, mass 1.67 10-27 kg and charge +1.6 10-19 C, moves in ...

[altibaby]

A proton, mass 1.67  10-27 kg and charge +1.6  10-19 C, moves in a circular orbit perpendicular to a uniform magnetic field of 0.50 T. Find the time for the proton to make one complete circular orbit.
 a. 8.7  10-8 s
  c. 9.8  10-7 s
  b. 1.3  10-7 s
  d. 4.3  10-8 s

Question 2

A hole is poked through the metal side of a drum holding water. The hole is 28 cm below the water surface. What is the initial speed of outflow?
 a. 1.9 m/s
  c. 3.2 m/s
  b. 2.3 m/s
  d. 3.5 m/s

[rnehls]

Answer to Question 1

B

Answer to Question 2

B