7. How long must a simple pendulum be in order to have a period of one second a. 0.25m b. 0.78m 2.32m d. 78m C.
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Answer:
a.0.25m
Explanation:
Since a seconds pendulum, with a period of 2 seconds, has a length of 1 meter, a pendulum with a period of 1 second will have a length of meters, or about 25 cm.
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