A Charged Particle of Mass 0 $4.0 - 1$ Magnetic Field with the Direction of the Field Vector at 4.0

question 133

Multiple Choice

A charged particle of mass 0.0040 kg is enters a $4.0 - 1$ magnetic field with the direction of the field vector at a right angle to its motion.If the particle moves in a circle of radius $0.10 \mathrm {~m}$ at a speed of $2.0 \mathrm {~m} / \mathrm { s }$ what is the magnitude of the charge on the particle?

• A)0.020 C
• B)50 C
• C)0.00040 C
• D)2500 C

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