What are the direction of the minimum magnetic field

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A particle having a mass of 0.180 gcarries a charge of ?2.34×10^?8 . The particle is given an initial horizontal northward velocity of 4.00×10^4 . What are the magnitude of the minimum magnetic field that will balance the earth's gravitational pull on the particle? What are the direction of the minimum magnetic field that will balance the earth's gravitational pull on the particle?

Reference no: EM13520710

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