Essentially , a simple pendulum is ignorant of air resistance, its more a tool to calculate gravitational acceleration, immersing it in liquid would introduce a drag force and bouyancy on the bob which alters the net force on the bob (essentially reducing the gravity)
The acceleration of a pendulum is zero at the lowest point of its swing.
The period increases - by a factor of sqrt(2).
It is true.
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The likelihood is that they either increase or decrease by one but we can't say for sure without seeing the problem.
Doubling the mass of a pendulum will not affect the time period of its oscillation. The time period of a pendulum depends on the length of the pendulum and the acceleration due to gravity, but not on the mass of the pendulum bob.
The acceleration of a pendulum is zero at the lowest point of its swing.
The period increases - by a factor of sqrt(2).
Increasing the mass of a pendulum would not change the period of its oscillation. The period of a pendulum only depends on the length of the pendulum and the acceleration due to gravity, but not the mass of the pendulum bob.
The period of a compound pendulum is minimum when the center of mass of the pendulum is at its lowest point (lowest potential energy) and the maximum kinetic energy occurs. This happens when the pendulum is in a vertical position.
If the length of a pendulum is increased, the period of the pendulum also increases. This relationship is described by the equation for the period of a pendulum, which is directly proportional to the square root of the length of the pendulum. This means that as the length increases, the period also increases.
Increasing the mass of a pendulum will decrease the frequency of its oscillations but will not affect the period. The amplitude of the pendulum's swing may decrease slightly due to increased inertia.
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As the pendulum moves down, its gravitational potential energy (GPE) decreases because the distance between the pendulum and the Earth's center decreases. This loss in GPE is then converted into kinetic energy as the pendulum gains speed.
The period of a simple pendulum is independent of the mass of the bob. Keep in mind that the size of the bob does affect the length of the pendulum.
If you shorten the length of the string of a pendulum, the frequency of the pendulum will increase. This is because the period of a pendulum is directly proportional to the square root of its length, so reducing the length will decrease the period and increase the frequency.
The pendulum's momentum or kinetic energy is converted to gravitational potential energy until all of the kinetic energy is converted. The pendulum stops.