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Problem

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Textbook ExpertVerified Tutor
18 Nov 2021

Given information

Given:

The period of a simple pendulum is cm long

m

Formula used:

The pendulum's equation is: On our earth, we have

 

Where,

The length of the pendulum is .

is the gravitational acceleration.

Step-by-step explanation

Step 1.

A simple pendulum is simple to construct, yet it is extremely useful for determining a crucial astronomical parameter: gravitational acceleration. We know the gravitational acceleration to an exact value on Earth, thus we use the pendulum as a timekeeper by selecting the right length.

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