1.

A tire swing that hangs 1.00m from a tree limb that experiences simple harmonic motion completes a cycle in 1.00s on Earth. Identify the acceleration due to gravity of a larger celestial body within the solar system if the same tire swing that experiences simple harmonic motion completes a cycle in 1.66s.

2.

The tension of a viola string of length of 31.9cm and density of 1.45g/cm resonates with the first overtone (second harmonic) of an open-close pipe of length 2.00m. what is the string tension

3.

An aircraft marshal on the tarmac reduces noise exposure from 72dB to 47dB by wearing earmuffs. what is the factor that the acoustic power experienced by the aircraft marshal is reduced by wearing the earmuffs.