gc textbook chapter 11 Vibrations and Waves (id: 7b8b6647f)

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 block of jello rests on a plate as btw/kj-+c f9d shown in Fig.s36z c( 8 *qmfydq3.dgclp8rz 11–58 (which also gives the dimensions of the block). You push it sideways as shown, and then you let go. The jello springs back and begins to vibrate. I.pgyq l38fmz6 ds (dr*zc3 c8qn analogy to a mass vibrating on a spring, estimate the frequency of this vibration, given that the shear modulus (Section 9–5) of jello is 520 $N/m^2$ and its density is 1300 $kg/m^3$    Hz

参考答案: 2.5±2%


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