The Andes are examples of which type of mountain?
a. Fault-block
b. Volcanic
c. Fold
d. None of these
a
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A furlong is a distance of 220 yards. A fortnight is a time period of two weeks. A race horse is running at a speed of 6.00 yards per second. What is his speed in furlongs per fortnight?
a. 3.30E+4 furlongs/fortnight b. 4.71E+3 furlongs/fortnight c. 3.31E+4 furlongs/fortnight d. 3.33E+4 furlongs/fortnight e. 3.28E+4 furlongs/fortnight
In common physics terminology, a particle with a negative potential energy is in a(n) potential ______________
Fill in the blank(s) with correct word
An electron in the hydrogen atom has a wavelength of 1.99 × 10-9 m. To what state of the hydrogen atom does this electron belong?
A) n = 1 B) n = 3 C) n = 4 D) n = 6 E) n = 8
A rainbow shows separate colors of the spectrum because, at raindrop surfaces,
A. blue light is bent more than red light. B. all colors are bent the same, hence the separation. C. green light is bent more than blue light. D. red light is bent more than green light.