Physics, 08.08.2019 23:30 treyhunt5362
From doppler shifts of the spectral lines in the light coming from the east and west edges of the sun, astronomers find that the radial velocities of the two edges differ by about 4 km/s, meaning that the sun’s rotation rate is 2 km/s. find the approximate period of rotation of the sun in days. the circumference of a sphere is given by 2πr, where r is the radius of the sphere.
Answers: 2
Physics, 22.06.2019 08:00
If a balloon is taken outside on a very cold day, what will occur?
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Ethanol has a heat of vaporization of 38.56 kj/mol and a normal boiling point of 78.4 c. what is the vapor pressure of ethanol at 14 c?
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From doppler shifts of the spectral lines in the light coming from the east and west edges of the su...
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