Particle 1 has a charge of +30.0 microcoulombs, and a mass of 2.40 milligrams. P

Question

Particle 1 has a charge of +30.0 microcoulombs, and a mass of 2.40 milligrams. Particle 1 also has a speed, when it enters region A, of 2.00 m/s

If region A is a square measuring 90.0 cm on each side what is the magnitude of the magnetic field in region A?

I keep getting the wrong answer

Particle 1 has a charge of +30.0 microcoulombs, and a mass of 2.40 milligrams. Particle 1 also has a speed, when it enters region A, of 2.00 m/s If region A is a square measuring 90.0 cm on each side what is the magnitude of the magnetic field in region A? I keep getting the wrong answer

Explanation / Answer

radius in region A of the particle = 90/3 = 30cm =0.3m
mv^2/r = qvB
2.4*10-3*4 / 0.3 = 30*10-6*2*B

B=16/30 *103 = 533

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