Among the following proposition, which ones are correct
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On a lab experiment, I measured that the pendulum oscillates…
On a lab experiment, I measured that the pendulum oscillates 40 times back and forth in 60 seconds. What is the period of this oscillation?
to enter a school.
to enter a school.
to be in good mood.
to be in good mood.
to graduate a school.
to graduate a school.
to be glad.
to be glad.
to be in a bad mood.
to be in a bad mood.
ear.
ear.
arm.
arm.
knee.
knee.