Physics, 06.05.2020 07:22 Autumnjackson3186
The eighteenth-century astronomer Herschel and the early twentieth-century astronomer Kapteyn both concluded from measurements of star positions in the Milky Way that the Sun was close to the center of the Galaxy. What misled them in reaching this erroneous conclusion?
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In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door
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Because light travels in a straight line and casts a shadow, isaac newton hypothesized that light is
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The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
Answers: 1
The eighteenth-century astronomer Herschel and the early twentieth-century astronomer Kapteyn both c...
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