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A positive charged particle carries 0.9 µC and moves with a kinetic energy of 0.06 J....

A positive charged particle carries 0.9 µC and moves with a kinetic energy of 0.06 J. It travels through a uniform magnetic field of

B = 0.4 T.

What is the mass of the particle (in kg )if it moves in the magnetic field in circular manner with a radius

r = 4.1 m?

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