The Elysium region is a _____
A) highland area on Venus
B) frozen polar cap on Neptune
C) volcanic plain on Mars
D) geological fault on Uranus
C
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Steven Weinberg, Abdus Salam, and Sheldon Glashow shared the 1979 Nobel Prize in physics for their development of a(n)
a. electroweak theory. b. GUT. c. quark theory. d. generalized theory of relativity. e. theory of strangeness.
An ornament of mass 40.0 g is attached to a vertical ideal spring with a force constant (spring constant) of 20.0 N/m. The ornament is then lowered very slowly until the spring stops stretching. How much does the spring stretch?
A) 0.00200 m B) 0.0196 m C) 0.0816 m D) 0.800 m E) 0.200 m
If an object is moving, it has energy. We call energy of motion as
Photon Momentum: What is the momentum of a photon of light that has a frequency of 2.8 × 1014 Hz? (c = 3.00 × 108 m/s, h = 6.626 × 10-34 J ? s)
A. 1.5 × 1028 kg?m/s B. 2.1 × 1028 kg?m/s C. 4.4 × 1028 kg?m/s D. 6.3 × 1028 kg?m/s E. 6.2 × 1028 kg?m/s