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 dire1(aqy75*0zu 6.kj6 kgr-qpuv vy mqo ucted at the Moon, 380,000 da1bas cw 9p(0g:ygsl7:)f nn km from Earth. The beam diverges at an a ldag0nsgb:y7 cfpws9:n( a1)ngle $\theta$ (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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