A red razorback uniform appears red because
A. It refracts red wavelengths
B. It creates constructive interference for red wavelengths
C. It reflects red wavelengths
D. It absorbs red wavelengths
Ans: C. It reflects red wavelengths
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A series RLC circuit has an impedance of 120? and a resistance of 64?. What average power is delivered to this circuit when Vrms = 90 volts?
a. 36 W b. 100 W c. 192 W d. 360 W e. 12 W
An observer in the Southern Hemisphere takes a time exposure photograph of the night sky. If the illustration below depicts the photograph taken by the observer, which direction was the camera pointing?
a.
straight north
b.
straight east
c.
straight south
d.
straight west
e.
straight up, directly overhead
Angular Quantities: An artificial satellite in a low orbit circles the earth every 98 minutes. What is its angular speed in rad/s?
Fill in the blank(s) with the appropriate word(s).
1,000,000,000,000 bulls is equal to ______.
A. Tbull B. Mbull C. Gbull D. Pbull