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Yes. In a vacuum, the only resistance is the friction in the suspension for the bob of the pendulum. Other than that, it should swing a long time. In air, friction with air will add to the friction in the suspension and it won't swing as well as it would in a vacuum. But it will swing for a while. A pendulum will swing in water, but the hydrodynamic drag will make it stop in a really, really short period of time. Just a couple of swings will strip the pendulum of almost all its energy. And the speed of the pendulum will be slower than in air, and it won't swing anywhere nearly as far through the bottom of its arc as it did in air.

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Does a gas escape through a tiny opening into a vacuum during effusion?

Yes, a gas can escape through a tiny opening into a vacuum during effusion. Effusion is the process by which gas molecules pass through a small opening into a vacuum due to their random motion. This happens because of the difference in pressure between the gas inside and the vacuum outside.


What is physically impossible?

It is physically impossible to travel faster than the speed of light in a vacuum, as predicted by Einstein's theory of relativity. It is also impossible to create or destroy energy, but only to convert it from one form to another in accordance with the law of conservation of energy. Additionally, perpetual motion machines that produce more energy than they consume are also considered physically impossible due to the laws of thermodynamics.


Is it possible to have motion in absence of force?

Not according to Newtons Law: Forces = Mass X Acceleration However, in a vacuum, after you used your force on an object and it now has motion, the object will have motion for eternity, even when there is no force. So as a matter of fact, it is possible. Just not on any planet, only in outer space.


What are the gases contained in a vacuum?

Theoreticaly there are no gasses in a total vacuum


What is the path and speed of light?

There is no preferred path for the speed of light, other than the shortest path through spacetime. The speed of light is 299,792,458 m/s in a vacuum. Just to clarify, this is the maximum limit of velocity in the universe because it is the maximum velocity that energy can propagate through the universe.

Related Questions

How can pendulum oscillate in vacuum even there is no gravity?

A pendulum can oscillate in a vacuum even in the absence of gravity because the motion of a pendulum is governed by its own momentum and inertia, rather than by external forces such as gravity or air resistance. As long as the initial push sets the pendulum in motion, it will continue oscillating back and forth due to its own energy, even in a vacuum.


Why can't perpetual motion work?

Perpetual motion would only work in a perfect environment - perfect vacuum - zero friction, zero resistance. The best we can hope for is to minimize the input energy - increase efficiency...


Do simple pendulum vibrates in vacuum?

Yes, a simple pendulum can still vibrate in a vacuum because its motion depends on the force of gravity and its initial displacement. The absence of air resistance in a vacuum does not affect the pendulum's ability to swing back and forth.


What conditions would have to exist for perpetual motion to be possible?

Perpetual motion is not possible due to the laws of thermodynamics, specifically the law of conservation of energy. In order to achieve perpetual motion, one would need a system that can continue to operate without any energy input or loss, which is impossible in reality.


Would a pendulum swinging in a vacuum be a reversible process?

Yes, a pendulum swinging in a vacuum would be a reversible process because there would be no external forces like air resistance or friction to dissipate energy. In a perfectly idealized vacuum, the pendulum would swing back and forth indefinitely without any loss of energy, making the motion reversible.


What would happen if a pendulum is set to swing in vacuum?

In a vacuum, the pendulum would continue to swing back and forth without air resistance to slow it down or stop it. This would result in the pendulum swinging with very little loss of energy over time, creating a more consistent and longer-lasting motion.


What is the maximum vacuum pressure that can be achieved in this vacuum chamber?

The maximum vacuum pressure that can be achieved in this vacuum chamber is 10-6 torr.


What are some things that are impossible?

Perpetual motion machines, time travel to the past, and creating a perfect vacuum are all considered to be impossible based on our current understanding of physics.


Why is perpetual motion difficult on Earth?

You need a frictionless mechanism for perpetual motion. Even with zero contact, the atmosphere itself exerts friction. If you were able to devise a zero contact mechanism in a vacuum, you would still need a propulsion system that would create as much energy as it uses, so far this is not possible.


What is the maximum vacuum pressure in psi that can be achieved by the vacuum pump?

The maximum vacuum pressure in psi that can be achieved by the vacuum pump is 29.92 psi.


What is the maximum vacuum pressure that can be achieved in the vacuum chamber?

The maximum vacuum pressure that can be achieved in the vacuum chamber is typically around 10-6 torr.


How is a vacuum achieved?

A vacuum is achieved by removing all gases and creating a space with minimal or no air pressure. This can be done using vacuum pumps to pump out the air molecules from a container, creating a low-pressure environment.