Answer:
Explanation:
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In this case, considering that the by-mass percent of water is:
Given such percent and the mass of the sample, we can find the mass of water in grams in the sample by solving for it as shown below:
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Which of the following statements correctly illustrates the difference between weather and climate? A Tonight’s cool, breezy wea
1 answer:
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Answer:
The answer to the question is
The star’s approximate radial velocity is 68.52 km/s
Explanation:
To solve the
The formula is
where
= velocity of the star
λ = Star's spectrum wavelength = 656.45 nm
= Rest wavelength = 656.30 nm
c = Speed of light = 299 792 458 m / s
Therefore we have
or
= 68518.7699 m/s or 68.52 km/s