A mass on a string of unknown length oscillates as a pendulum with a period of 6.9 s. Parts A to D are independent questions,

Question

A mass on a string of unknown length oscillates as a pendulum with a period of 6.9 s. Parts A to D are independent questions, each referring to the initial situation. 
Part C 
What is the period if the string length is halved?

Kunduz · Accepted Answer

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