what is the time period of a simple pendulum when it is oscillated in water
Answers
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The period of a simple pendulum mounted inside a spacecraft is exactly 2.00 seconds, given the right conditions, which are:
the length of the simple pendulum to be exactly 0.994m,
the swing angle to be small (e.g.: 6°),
the acceleration to be constant and exactly 9.81m/s²,
the friction to be neglectable (e.g.: swinging in air at 20°C, 1atm)
These conditions would in fact reproduce the same conditions of the second pendulum on earth at sea level.
Other combinations of condition may produce the same period and many more combinations may produce different periods.
In case the acceleration is nil, as for example when the spacecraft is in free fall and exempt from rotations and thus moving of purely inertial movement in the relativistic space-time, then any combination of the other conditions would produce an infinite period, which, for practical effects, can be described as no oscillation.