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A 12 mg fly lands in the center of a spider’s horizontal web, causing it to...

A 12 mg fly lands in the center of a spider’s horizontal web, causing it to sag by 3 mm. What is the value of the force causing the web to sag? Assuming the web acts like a spring, what is the spring constant k of the web? Assume the fly in the web acts like a mass on a spring. When the fly hits the web, at what period will the web oscillate?

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