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A mass on a string of unknown length oscillates as a pendulum with a period of...

A mass on a string of unknown length oscillates as a pendulum with a period of 5.3 s . Parts A to D are independent questions, each referring to the initial situation.

A. What is the period if the mass is doubled?

B.What is the period if the string length is doubled?

C. What is the period if the string length is halved?

D. What is the period if the amplitude is doubled?

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