Relativity & Thermodynamics Flashcards

Relativity & Thermodynamics Flashcards
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Temperature
We can define this as a substance's average kinetic energy. It tells us how fast a substance's molecules move.
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The Speed of Light
This rate is always 299,792 km/s, often written 300,000 km/s, no matter what perspective is being used to observe it. It always appears to remain constant.
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General Relativity
An aspect of relativity that allows us to take the effects of gravity into consideration when looking at the speed of light.
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Special Relativity
This is a theory that deals with the speed of light when it is not impacted by gravity. It also focuses on the way that speeds change our perception of time and distance.
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Classical Relativity
A theory that explains how two people, one of whom is moving and one of whom is standing still, agree on what they see. It works at low and relative speeds, but not the speed of light.
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11 cards in set

Flashcard Content Overview

Going over the flashcards contained within this set can be a great way for you to review information about both the First Law of Thermodynamics and the Second Law of Thermodynamics. You can consider kinetic and potential energy as well as heat and temperature. These cards also cover the process of entropy. You'll find cards that cover the speed of light, and you'll find that this set includes cards that deal with classical, general and special relativity.

Additional Study

You can continue building up your understanding of these subjects by accessing some of these short educational lessons:

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Classical Relativity
A theory that explains how two people, one of whom is moving and one of whom is standing still, agree on what they see. It works at low and relative speeds, but not the speed of light.
Special Relativity
This is a theory that deals with the speed of light when it is not impacted by gravity. It also focuses on the way that speeds change our perception of time and distance.
General Relativity
An aspect of relativity that allows us to take the effects of gravity into consideration when looking at the speed of light.
The Speed of Light
This rate is always 299,792 km/s, often written 300,000 km/s, no matter what perspective is being used to observe it. It always appears to remain constant.
Temperature
We can define this as a substance's average kinetic energy. It tells us how fast a substance's molecules move.
Kinetic Energy
This type of energy deals with motion and relates to an object's speed.
Heat
This refers to a substance's total energy.
The First Law of Thermodynamics
This law is also called the law of energy conservation. It tells us that you can't destroy or create energy.
Potential Energy
This type of energy is stored within an object as an outside force moves said object over a given distance into a different position.
Entropy
This refers to how much unusable energy there is in a given system. It states that over time useful energy decreases.
The Second Law of Thermodynamics
A law that states that, while energy can't be created or destroyed, it does grow less usable as time passes.

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