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You searched for “distance”
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Showing 1 - 10 of 27
Showing 1 - 10 of 27
Distance Relationship
What is the distance between two points and is a straight line the shortest root?
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Hits: 120
Reflection from Mirrors
Simple movie of object distance equals image distance proved via changing ray diagram
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Hits: 385
Accelerated Travels
A look at the combined effect on distance from an origin of distance traveled and relativistic effects during accelerated travel.
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Hits: 265
Auto Stopping Distance
Explanation of how to calculate the stopping distance for a car and the factors involved.
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Hits: 355
Astronomical Unit
The average distance between the Earth and the Sun is a natural distance unit and is called an Astronomical Unit (AU).
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Hits: 163
Stereoscopic vision
How do we judge distances? Three-dimensional vision is explained here in straightforward terms.
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Hits: 94
The Earth
Straightforward, easy to understand answers to 13 frequently asked questions about the planet Earth. This site is plain, but coherent and factual presentation. (All distances and speeds quote miles ...
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Hits: 246
Why do sound waves transmit farther at night? Is it because it is quieter at night?
A simple explanation of why sound travels long distances at night. There are some attractive graphics.
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Hits: 238
Gullstrand's Equation
Thick lenses can be handled with thin lens type equations if the distances are measured from hypothetical principal planes. The power of a lens with respect to the second principal plane is given by ...
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Hits: 233
Hubble's Law
Hubble's law is a statement of a direct correlation between the distance to a galaxy and its recessional velocity as determined by the red shift.
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Hits: 216
Showing 1 - 10 of 27