The charge of a proton is c. Find the magnetic force on a proton moving in the x direction at a speed of 0.2 m/s in a uniform magnetic field of 3 T in the z direction. (Source: Libretext)
a) F=1.6×10⁻¹⁹ N
b) F=3.2×10⁻¹⁹ N
c) F=4.8×10⁻¹⁹ N
d) F=6.4×10⁻¹⁹ N