Consider wiggle formula 
for a transverse wave, where b and c are constants and ( ) is some arbitrary function. Is this a traveling wave model? If so, in what direction does it travel?
A. In the +x direction.
B. In the ?x direction.
C. The wave does not move.
D. In the y or z direction because the wave is transverse.
B. In the ?x direction.
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An astronaut's normal weight it 600 newtons. How much will she weigh while orbiting in a satellite at 12,000 kilometers [two earth radii] above the surface of Earth?
A) zero B) 300 newtons C) 200 newtons D) 67 newtons E) 150 newtons
Time Dilation: Someone in Earth's rest frame says that a spaceship's trip between two planets took 10.0 y, while an astronaut on the space ship says that the trip took 5.78 y. What is the speed of the spaceship, assuming the planets are at essentially at rest?
A. 0.816 c B. 0.735 c C. 0.975 c D. 0.384 c
An automobile travels due north with a speed of 77 km/h that is decreasing. All forces considered, the unbalanced force acting on the auto is
a. zero. b. southward. c. northward. d. downward. e. upward.
Nuclear Binding Energy: A carbon-14 nucleus decays to a nitrogen-14 nucleus by beta-minus decay. How much energy (in MeV) is released if carbon-14 has a mass of 14.003242 u and nitrogen-14 has a mass of 14.003074 u? (1 u = 931.5 MeV/c2)
A. 0.0156 MeV B. 0.156 MeV C. 1.56 MeV D. 15.6 MeV