A particle (mass = 6.0 mg) moves with a speed of 4.0 km/s in a direction that makes an angle of 37 above the positive x axis in the xy plane. At the instant it enters a magnetic field of (5.0 ) mT it experiences an acceleration of (8.0 ) m/s2 . What is the charge of the particle?
a. 4.8 C
b. 4.0 C
c. 4.0 C
d. 4.8 C
e. 5.0 C
Question 2
An electron moving in the positive x direction experiences a magnetic force in the positive z direction. If Bx = 0, what is the direction of the magnetic field?
a. negative y direction
b. positive y direction
c. negative z direction
d. positive z direction
e. negative x direction
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