________ galaxies may bridge the gap between spiral galaxies and quasars
A) Hickson
B) Arp
C) Core-halo
D) Seyfert
E) Hubble
D
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An empty spice bottle has an inner volume of 1.31 × 10?4 m3. It has a mass of 112 g when filled with air, and it displaces 1.63 × 10?4 m3 of water when fully submerged. What volume of mercury (?Hg = 13.6 × 103 kg/m3) must be added to the empty bottle so that it will just submerge?
A. 3.75 cm3 B. 12.0 cm3 C. 101 cm3 D. 147 cm3 E. 237 cm3
Which of the following is not a capacitance?
A.
B.
C.
D.
E.
A ski lift carries passengers up a 150 m high slope at the rate of one chair every 30.0 seconds. If the chair will hold two passengers with a total mass of 190 kg, then the power of the engine that powers the ski lift is
A. 6.96 kW. B. 7.83 kW. C. 8.75 kW. D. 9.31 kW. E. 9.90 kW.
What is this a picture of?
A) a cluster of galaxies B) a globular cluster C) an elliptical galaxy D) the expanding universe