PLEASE EXPLAIN Two charged particles having charges q +0.1 Cand g2 and masses m1

Question

PLEASE EXPLAIN

Two charged particles having charges q +0.1 Cand g2 and masses m1 0.2 grams and m2 0.4 grams, respectively, are to move along the same circle in a constant magnetic field B that is going into the page. They both start at the same time at the point (R, 0), as shown in the figure below, with mi moving counterclockwise and m moving clockwise, and they collide with each other at the point (0,R) indicated below The magnetic field B is going into the page Determine the value of q2 assuming that you may ignore the electrostatic force between the two charges. (a) -0.6 C (b) -0.4 C (c) -0.2 C (d) +0.4 C (e) +0.6 C (f) None of the above.

Explanation / Answer

kq1q2/r^2 = Gm1m2/r^2

q2 = 6.67*10^-11* 0.4*0.2*10^-6/9*10^9*0.1

q2 =+ 0.6 C

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