What is the length of the shortest pipe closed on one end and open at the other end that will have a fundamental frequency of 0.060 kHz on a day when the speed of sound is 340 m/s?
A) 1.24 m
B) 1.42 m
C) 2.14 m
D) 4.12 m
B
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Which mission is mapping the heliosphere's boundary?
a. Cassini-Huygens b. Interstellar Boundary Explorer c. Voyager I d. Voyager II e. Kepler
The rings of Uranus were discovered ____________
a. during an occultation of a star by the rings (as well as by the planet). b. during an eclipse of one of the moons by the rings. c. during a voyage to Uranus by astronauts d. as Uranus and the rings passed behind Jupiter. e. during an encounter by the Voyager 1 space probe.
Which of the following lists the outer planets in order of increasing mass?
A. Uranus, Neptune, Saturn, Jupiter B. Saturn, Jupiter, Uranus, Neptune C. Jupiter, Saturn, Uranus, Neptune D. Jupiter, Saturn, Neptune, Uranus
Galaxies come in three varieties, which are
A. old, young, and intermediate. B. Seyfert, radio, and quasar. C. spiral, elliptical, and irregular. D. barred spiral, irregular, and Seyfert.