By what amount does the intensity level decrease when you triple your distance from a source of sound?
A) 9.5 dB
B) 4.8 dB
C) 6.0 dB
D) 12 dB
E) 3.0 dB
A
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Why is the Coriolis effect so weak on Venus?
A) because Venus is so hot B) because Venus rotates so slowly C) because Venus has such a thick atmosphere D) because Venus has such a strong greenhouse effect
What is not predictable in the double-slit experiment with electrons?
A) The individual impact point of each electron on the screen. B) The overall pattern of hits on the screen, as formed by a large number of electrons. C) Both of the above. D) None of the above.
Radioactivity is a tendency for an element or a material to
A) emit radiation. B) emit light. C) emit electrons. D) glow in the dark. E) radiate heat.
Angular and Linear Quantities: A cylinder of radius 8.0 cm rolls 20 cm in 5.0 s without slipping. Through how many degrees does the cylinder turn during this time?
Fill in the blank(s) with the appropriate word(s).