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A pendulum with a length of 36.9 cm has a period of 1.22 s. Calculate the gravitational field at the pendulum’s location.

Sagot :

From the calculation,  the gravitational field at the pendulum’s location is 9.8 m/s^2

What is a pendulum?

A pendulum is a device that is used to demonstrate oscillatory motion. We have the following information.

l =  36.9 cm or 0.369 m

T = 1.22 s

Then;

T = 2π√l/g

T/2π = √l/g

(T/2π)^2 = l/g

g(T/2π)^2 = l

g = l/(T/2π)^2

g = 0.369/(1.22/2 *3.14)^2

g = 9.8 m/s^2

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