A charge particle enters a uniform magnetic field and follows the circular path

Question

A charge particle enters a uniform magnetic field and follows the circular path shown in the drawing.

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A charge particle enters a uniform magnetic field and follows the circular path shown in the drawing. Is the particle positively or negatively charged? positive negative electrically inert Why? The particle's speed is 100 m/s, the magnitude of the magnetic field is 0.46 T, and the radius of the path is 960 m. Determine the mass of the particle, given that its charge has a magnitude of 8.2 times 10-4 C.

Explanation / Answer

a)negative charge

b)mv^2/r=q(vxB)

m*100^2/960=8.2*10^-4(100X.46)

m=36.2112*10^-4 kg=3.62112 gm

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