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gc textbook chapter 11 Vibrations and Waves (id: f123ee0f3)

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admin 发表于 2024-12-27 16:31:15 | 显示全部楼层 |阅读模式
本题目来源于试卷: gc textbook chapter 11 Vibrations and Waves,类别为 通用国际物理

[填空题]
A small fly of mass 0. fq m3yk:p8; 6mtfuy1g25 g is caught in a spider’s web. The web vibrates p+hsl 68eandk060j: 9pn/nhixhcuz 1hredominately with a frequency of 4.h69n+u:e klz1c dx0jhp i86nsh0/n ha0 Hz.
(a) What is the value of the effective spring stiffness constant k for the web?$\approx$    N/m (round to two decimal place)
(b) At what frequency would you expect the web to vibrate if an insect of mass 0.50 g were trapped?    Hz




参考答案:
空格1: 0.16±2%空格2: 2.8±2%


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