Please answer a-d if true or false

B(out) O X R Figure 4: 4. Two charged particles travel along the negative x axis in the positive x direction, each with speed v, and enter the magnetic field at the origin O. The two particles have the same charge q, but have different masses. When in the magnetic field, their trajectories both curve in the same direction, but describe semi-circles with different radii. The radius of the semi-circle traced out by particle 2 is exactly twice as big as the radius of the semi-circle traced out by particle 1. (a) The charge q of these particles is q > 0 (True, False) (b) the radius Ri of the semi-circle traced out by particle 1 is mjus = qVB - R1 = 95 (True, False) (c) Since MAU= = quB and mau = quB it follows that ratio of mass my to my is R. 41 = T ma R2 M2 = Ri R2 = R1 2R1 = 2 (True, False) (d) It is possible to apply an electric field E in the region > > 0 only which will cause both particles to continue to move in a straight line after they enter the region If quB - qE = ma = 0 or E = vB with direction of the electric field E pointing up (True, False)