Known as Maglev (derived from magnetic levitation), it is a method of using magnets to raise a train above the ground, and in propulsion. This reduces friction by a great extent and allows for very high speeds.
Step Forward
With the train suspended on a magnetic cushion, there's very little friction (=easy to move the train along) and you can achieve a very smooth and fast ride.
In the animation above we see an object (blue box) that is already moving along when we encounter it.
There is potential energy, which is non-zero if you are above ground level (or above, or below, any other reference level you choose).
The compass needle will point north-south.
Less friction which equates to higher speeds and less maintenance.
Known as Maglev (derived from magnetic levitation), it is a method of using magnets to raise a train above the ground, and in propulsion. This reduces friction by a great extent and allows for very high speeds.
Known as Maglev (derived from magnetic levitation), it is a method of using magnets to raise a train above the ground, and in propulsion. This reduces friction by a great extent and allows for very high speeds.
It's the lower part of your back. It's usually right above where you wear your pants at. People often touch the small of your back when they are moving past you or wanting you to move forward.
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When warm air moving above mixes in with cool air moving below.
No, the word 'Kinetic' literally means moving. So Kinetic energy literally means moving energy. If your hammer is above a nail then it is not moving... and so it is not kinetic energy.