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Q1. A small fly of mass 0.27grams is caught in a spider's web. The web vibrates predominately with a frequency of 4.5Hertz. What is the value of the effective spring constant stiffness constant for the web?

Q2. A potter's wheel having a radius 0.55m and a moment of inertia 12kg•m2 is rotating freely at 51 rev/min. The potter can stop the wheel in 7 s by pressing a wet rag against the rim and exerting a radially inward force of 67N. Find out the effectual coefficient of kinetic friction between the wheel and the wet rag.

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