A particle with charge q = -0.5 C is moving in the negative y-direction at 3 m/s. The magnetic field at its position is B = (+4i-6k)T What is the magnetic force on the particle? (9î - 6k)N -7.5 N - (-18î+ 12k)N (9î + 6k)N 7.5 N (−18î – 12k)N (18î + 12k)N ○ (−9î + 6k)N 15 N ○ (−9î – 6k)N -15 N (18î – 12k)N

A particle with charge q = -0.5 C is moving in the negative y-direction at 3 m/s. The magnetic field at its position is B = (+4i-6k)T What is the magnetic force on the particle? (9î - 6k)N -7.5 N - (-18î+ 12k)N (9î + 6k)N 7.5 N (−18î – 12k)N (18î + 12k)N ○ (−9î + 6k)N 15 N ○ (−9î – 6k)N -15 N (18î – 12k)N

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