An absorption line spectrum, with dark lines crossing the rainbow of the continuum, is produced by a low-density hot gas

Indicate whether the statement is true or false


FALSE

Physics & Space Science

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An aircraft performs a maneuver called an "aileron roll." During this maneuver, the plane turns like a screw as it maintains a straight flight path, which sets the wings in circular motion

If it takes it 35 s to complete the circle and the wingspan of the plane is 11 m, what is the acceleration of the wing tip? A) 5.6 m/s2 B) 0.99 m/s2 C) 0.18 m/s2 D) 1.0 m/s2

Physics & Space Science

To estimate the central temperature of the Sun, scientists ________

A) use hot gas to create a small Sun in a laboratory B) send probes to measure the temperature C) monitor changes in Earth's atmosphere D) use computer models to predict interior conditions

Physics & Space Science

According to the Arrhenius theory, basic properties are caused by ______________ ions

Fill in the blank(s) with correct word

Physics & Space Science

What is a spectroscopic binary?

A. a visual binary in which one or both stars have peculiar spectra B. A spectroscopic binary looks, to us on Earth, like a single star, but its spectrum shows double lines that shift. C. a visual binary for which we have spectra of both stars D. a visual binary that is shown by its spectrum to be a single star

Physics & Space Science