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jmml
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Homework Statement
Considerer one sphere of conducting material without mass in rotation with constant angular velocity in turn of the axis of the center of the sphere with angular momentum hbar/2. the sphere is charged with electric charge e. the mass equivalent energy of the sphere is equal to the potential electric of sphere.
what is the mass of the sphere and the perimet velocity of the sphere
Homework Equations
V=q/4pie0r L=hbar/2 L=mvr E=mvsq2/2
The Attempt at a Solution
V=e/4pie0r
V=E, mvsq2/2=e/4pieor hbarvsq2/4vr=e/4pieor v=e/pie0
hbar/2=mvr m=hbar/2vr m=hbarpie0/2er
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