A 2-M Long 6 Kg Ladder Pivoted at the Top

question 33

Multiple Choice

A 2-m long 6 kg ladder pivoted at the top hangs down from a platform at the circus. A 42 kg trapeze artist climbs to a point where her centre of mass is at the centre of the ladder and swings at the system's natural frequency. The angular frequency (in s-1) of the system of ladder and woman is:

• A)1.01.
• B)3.07.
• C)4.03.
• D)8.05.
• E)16.2.

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