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Question: (10 %) Problem 8: Near the top of the Citigroup Center building in New York City, there is an obj…

Question: (10 %) Problem 8: Near the top of the Citigroup Center building in New York City, there is an obj...

(10 %) Problem 8: Near the top of the Citigroup Center building in New York City, there is an object with mass of 4.8 105 kg on springs that have adjustable force constants. Its function is to dampen wind-driven oscillations of the building by oscillating at the same frequency as the building is being driven-the driving force is transferred to the object, which oscillates instead of the entire building Randomized Variables m = 4.8 x 105 kg t=1.4s Δ 50% Part (a) What effective force constant should the springs have to make them oscillate with a period of 1.4 s in N/m? Grade Summarv Deductions Potential 100% Submissions Attempls remaininy: 5 (5% per attempt) detailed view sin) π| ( cosO cotanasin() tan( ) acos) atan acotan sinho) coshO tanh cotanho Degrees Radians NO Submit Hint I give up! Hints: 100 deduction per hint. Hints remaining: 2 Feedback: deduction per feedback 50% Part (b) What energy is stored in the springs for a 1.4 m displacement from equilibrium in J?

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