In simple harmonic motion the position of the oscillator:
A. Leads its acceleration by a half cycle, or 
radians
B. Leads its velocity by a half cycle, or radians
C. Is in phase with its acceleration
D. Is in phase with its velocity
A. Leads its acceleration by a half cycle, or radians
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A nuclear fission power plant has an actual efficiency of 39%. If of power are produced by the nuclear fission, how much electric power does the power plant output?
A) 0.098 MW B) 9.8 MW C) 35 MW D) 0.35 MW
The universal gravitational constant G was first measured
A) before Newton's time. B) by Newton himself. C) after Newton's time.
A straight wire is bent into the shape shown. Determine the net magnetic force on the wire when the current I travels in the direction shown in the magnetic field 
.
A. 2IBL in the ?z direction B. 2IBL in the +z direction C. 4IBL in the +z direction D. 4IBL in the ?z direction E. zero
You have had something simmering in a covered pot on the stove and then turn off the heat. Some time later you return to the pot and find that you have trouble lifting the lid. Why?
What will be an ideal response?