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

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 0.25 g is caught in a spider’s web. The web vibrb. usg l/g)n4fates predormgm+67k sk) j2rw*z gminately with a frequency of m 2gkr+6m w rgk7zs*j)4.0 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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