What has to happen for a star to join the main sequence ?
1) Nuclear Fusion
2) Shell H...
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Physics, 22.06.2019 06:30
=force × distance a. work b. velocity c. pressure d. momentum
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Physics, 22.06.2019 11:30
In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque
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Physics, 23.06.2019 00:30
What types of radiation make up the electromagnetic spectrum?
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Physics, 23.06.2019 10:30
Suppose your surface body temperature averaged 90 degrees f. how much radiant energy in w/m^2 would be emitted from your body?
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