gc textbook chapter 8 Rotational Motion (id: 2450cdf30)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

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A laser beam is directedfn( ;qx taodllp1 5 0p6tx,x; 3vugdq0 at the Moon, 380,000 km from Eargmu 1o: 94xxcfth. The beam diverges at an angle41cu 9fo:mg xx $\theta$ (Fig. 8–37) of $1.4\times10^{-5}$ rad What diameter spot will it make on the Moon?    m

参考答案: 5300±2%


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