Mass transfer will almost always occur for spectroscopic and eclipsing binaries
Indicate whether the statement is true or false
TRUE
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Why do the lunar maria have a darker color than the highland regions?
A. The maria have less regolith than the highlands. B. The maria are younger and experienced fewer impacts to weather the surface. C. The maria are composed of different materials than the highlands. D. The maria are sitting in the shadows of surrounding mountains.
Why couldn't you stand on the Sun's surface?
A) The Sun has no surface at all...the photosphere is an illusion. B) You could stand on the surface. C) The Sun doesn't have a solid surface. D) The Sun's surface is too highly magnetized for anything to survive there. E) You could stand on it, if a sufficiently protective spacesuit could be designed.
If a source of sound is traveling toward you, the speed of the sound waves reaching you is _______________ the speed the sound waves would have had if the source were stationary
a. faster than b. slower than c. the same as
A small airplane with a wing span of 12 m flies horizontally and due north at a speed of 60 m/s in a region where the magnetic field of the earth is 60 mT directed 60° below the horizontal. What is the magnitude of the induced emf between the ends of the wing?
a. 50 mV b. 31 mV c. 37 mV d. 44 mV e. 22 mV