A(n) ____ emits large amounts of energy but photographically appears to be a single point of light much like a star
a. a planet like Venus
b. E galaxy
c. spiral galaxy
d. double-lobed radio galaxy
e. quasar
E
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One of the most important physical properties of polymers is their low ______________.
Fill in the blank(s) with the appropriate word(s).
In order to slide a 753 N box across the floor at a constant speed, you must push horizontally with a force of 452 N. What is the coefficient of kinetic friction?
A. 1.66 B. 0.600 C. 0.660 D. 0.580 E. 1.65
On our Moon, Mercury, Earth, and Mars, there are a variety of meteor craters in terms of size. Yet all those found on Venus are over 5 kilometers across. Explain
What will be an ideal response?
Standing-wave vibrations are set up in a crystal wine glass with four nodes and four antinodes equally spaced around the 2.80-cm radius of the rim. If the resonant frequency of the glass is 8.50 kHz, what is the speed of the transverse waves moving around the glass?
a. 1 500 m/s b. 748 m/s c. 374 m/s d. 238 m/s