Physics

Physics

Problem

A proton of charge qq and speed vv enters the same uniform magnetic field BB three separate times at the following angles relative to the field: θ1=30∘\theta_1 = 30^{\circ}, θ2=60∘\theta_2 = 60^{\circ}, and θ3=120∘\theta_3 = 120^{\circ}. Let F1F_1, F2F_2, and F3F_3 be the corresponding magnitudes of the magnetic force. Which ranking is correct? a) F1>F2=F3F_1 > F_2 = F_3 b) F1=F2=F3F_1 = F_2 = F_3 c) F1<F2=F3F_1 < F_2 = F_3 d) F1=F3<F2F_1 = F_3 < F_2

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