gc textbook chapter 8 Rotational Motion (id: 17faf4674)

本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 通用国际物理

[填空题]
A laser beam is directed at the Moon, 380,000 km 1kswni80xx 4 pfrom Earth. The beam dx z qx/*2/mc9aa)v0m yf. qbpiiverges at an anglz x29b.m fqmp)*a c0i/ vqyax/e $\theta$ (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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