Stars on the main sequence with the greatest mass

a. are spectral type M stars.
b. are spectral type O stars.
c. are located at the bottom of the main sequence in the H-R diagram.
d. have masses very similar to the Sun.
e. are spectral type O stars and are located at the bottom of the main sequence in the H-R diagram.


b

Physics & Space Science

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In the figure, if a = 2.0 cm, b = 4.0 cm, and I = 2.0 A, what is the magnitude of the magnetic field at point P?

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The observed relationship between the masses of central black holes and the bulge masses of galaxies implies that ________

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A certain car traveling 34.0 mph skids to a stop in 29 meters from the point where the brakes were applied. In approximately what distance would the car stop had it been going 105.4 mph?

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