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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