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 directed atrkper 7v;fi 3: the Moon, 380,00t.15i xf l/f5ytns6f) z2nahc 0 km from Earth. The beam diverges at /.5sct5i6t)lxf fa2n1z ynf h an angle $\theta$ (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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