2020 ~ photon

photon

A photon is a scientific blog that deals with the various sciences and seeks a better world.

Sunday, February 2, 2020

How was the speed of light calculated?

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please click subtitle icon below the video to turn on the English translation
This video is available in Arabic with English subtitles
How was the speed of light calculated?
What is the speed of light?
Galileo
Roemer’s Method
Fizeau’s Method
reference: PHYSICS for Scientists and Engineers with Modern Physics, Raymond A. Serway

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Wednesday, January 29, 2020

where is the particle before the measurement?

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where is the particle before the measurement?

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Sunday, January 26, 2020

center of mass

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center of mass

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definition of rigid body

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definition of rigid body
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