How would i solve this physics question?

How would i solve this physics question?



1) A pendulum oscillates 24.0 times per minute in a particular location. If the
pendulum is 1.53 m long, what is the acceleration due to gravity there?

2) A 20.0-kg chandelier is suspended from a high ceiling with a cable 6.00-m long.
What is its period of oscillation as it swings?

I dont understand it nor do i know how to rearrange the formula. If someone can, can you explain to me how you got to the answer in detail? thank you!





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