Author Question: An electron which moves with a speed of 7.5 103 m/s parallel to a uniform magnetic field of 0.40 T ... (Read 99 times)

bclement10 · **on:** Jul 28, 2018

An electron which moves with a speed of 7.5 103 m/s parallel to a uniform magnetic field of 0.40 T experiences a force of what magnitude? (e = 1.6 10-19 C)
a. 1.9 10-15 N
c. 2.2 10-24 N
b. zero
d. 4.8 10-14 N

Question 2

The bottom of a flatbottomed aluminum boat has area = 4.0 m2 and mass = 120 kg. If two fishermen and their fishing gear with total mass of 240 kg are placed in the boat, how much lower will the boat ride in the water? (water density = 1.0 103 kg/m3)
a. 0.15 m
c. 0.075 m
b. 0.090 m
d. 0.060 m