T Tauri stars are believed to be young, high mass main sequence stars
Indicate whether the statement is true or false
F
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What is the electron configuration for Li, which has 3 electrons?
A) 1s3 B) 1s1 2s2 C) 1s2 1p1 D) 1s2 2s1 E) 1s1 2s1 3s1
A 1 kg mass is suspended on the end of a string and it is swinging back and forth. If the string is plucked, the speed of the pulse
1.is fastest when the mass is at its highest point in the swing. 2.is fastest when the mass is at its lowest point in the swing. 3.is fastest when the mass is in the middle of its way down from the highest to the lowest point in its swing. 4.has the same speed at all points of the swing; the pulse's speed is not a function of the position of the mass as it swings.
The long, heavy tail of a spider monkey enables the monkey to easily vary its
A) weight. B) momentum. C) inertia. D) center of gravity. E) none of the above
The light we see from the Sun comes from which layer?
A) Troposphere B) Chromosphere C) Photosphere D) Ionosphere E) Corona