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Physics, 23.06.2019 00:20
The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g
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Physics, 23.06.2019 02:30
Can a molecule have bond dipoles but not have a molecular dipole?
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Are zero at the end of a number significant...
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