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If you treat an electron as a classical rigid sphere with radius 1.70Γ10β17 m and uniform density, what angular speed Ο is necessary to produce a spin angular momentum of magnitude 3/4βββββ? use h = 6.63Γ10β34 jβ s for planck's constant, recalling that β=h/2Ο, and 9.11Γ10β31 kg for the mass of an electron. express your answer in radians per second to three significant figures.
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