Question

Mechanics

A tuned mass damper at the top of a skyscraper acts like a simple pendulum. If it sways with a frequency of 0.125 Hz, what is its length? (Assume the strength of Taipei's gravitational field to be 9.81 N/kg.) The length of the pendulum is_____-m.

How many oscillations PER MINUTE does 0.125 Hz represent?

А. 1.25 х 10-1 oscillations

B. 1.33 x 10 oscillations

C. 7.50 oscillations

D. 8.00 oscillations


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