gc textbook chapter 11 Vibrations and Waves (id: 3b8800ccf)

本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves，类别为 通用国际物理

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When you walk with a cup2 qu(e: k0 fi9yaj6.q5 czdje(iua6py of coffeg.8 wk 2u1g8 2g-ee*nuq mmibfe (diameter 8 cm) at just the right pace of about 1 step per second, the coffee sloshes moru2-gu e8egimf12 wgkb8n *qm.e and more until eventually it starts to spill over the top (Fig. 11–55). Estimate the speed of waves in the coffee.    cm/s

参考答案: 16±2%


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