The ____ is (are) the hot gases that are the moving extension of the sun's corona
a. spicules
b. prominences
c. flares
d. supergranules
e. solar wind
E
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As you stand by the side of the road, a car approaches you at a constant speed, sounding its horn, and you hear a frequency of 80.0 Hz. After the car goes by, you hear a frequency of 60.0 Hz
What is the speed of the car? The speed of sound in the air is 343 m/s. A) 64.0 m/s B) 49.0 m/s C) 16.0 m/s D) 36.0 m/s E) 25.0 m/s
Consider the two systems below, labeled A and B
A B
Which gas has the higher pressure?
In _________materials, after an electric field is applied to saturation and then reduced to 0, there is a residual polarization.
Fill in the blank(s) with the appropriate word(s).
If all potatoes are selling at the same price per kilogram, a housewife who plans to peel the potatoes would get more potato for her money if she bought
1) small potatoes. 2) medium potatoes. 3) large potatoes. 4) no difference. This is because she 5) would get more potatoes per kilogram. 6) would get less potatoes per kilogram. 7) would get less peelings because of less surface area per pound. 8) buys weight, so any size per kilogram gives the same mass of potatoes.