Part A: T=
Part B: ω=
Part B: ω=
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The period is 2.95s, already given in the question.
The angular speed in rad/s is
2 pi radians / 2.95 s = 2.13 rad/s
The diameter (213 cm) is a red herring,
it has nothing to do with the question that was asked.
The angular speed in rad/s is
2 pi radians / 2.95 s = 2.13 rad/s
The diameter (213 cm) is a red herring,
it has nothing to do with the question that was asked.