30B) \frac{4\pi r}{u}
mu = 2mV2 + mV1
1/2 = (V2 - V1)/u
V2 = 0.5u
V1=0
Time period = \frac{2\pi }{w} = \frac{2\pi }{\frac{u}{2r}} = \frac{4\pi r}{u}
6 Answers
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30
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