Which moon of Saturn shows the largest impact crater, relative to its size?
A) Miranda B) Mimas C) Titan D) Enceladus E) Callisto
B
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An airplane flies in a horizontal circle of radius 500 m at a speed of 150 m/s. If the radius were changed to 1000 m, but the speed remained the same, by what factor would its centripetal acceleration change?
A. 0.25 B. 0.50 C. 1.00 D. 2.00 E. 4.00
James is listening to the same tone coming from two speakers, one 3.49 m away and the other 3.10 m distant. At his position the two tones destructively interfere
(a) What is the largest possible wavelength of the tone? (b) If the air temperature is 30.°C, what is the lowest possible frequency?
X-ray and ?-ray NDT detect differences in _________in materials.
Fill in the blank(s) with the appropriate word(s).
A grand unified theory (GUT) refers to a type of theory intended to unify
A) the strong force with the electromagnetic and weak forces. B) gravity with the strong and weak forces. C) the electromagnetic and weak forces. D) all four forces together.