The Sun's magnetic field is evident in the looped shapes of
a. solar flares.
b. sunspots.
c. the corona.
d. granules.
e. prominences.
e
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A sinusoidal wave’s angular frequency is (A) larger, (B) smaller, or (C) the same as its frequency in cycles/s.
A. Large B. Smaller C. The same as its frequency in cycles/s.
Heat Engines: A nuclear power plant has an actual efficiency of 33%. If 0.19 MW of energy are released from fission, how much electric power does the power plant produce?
A. 0.063 MW B. 6.3 MW C. 25 MW D. 0.25 MW
If a = 60 cm, b = 80 cm, Q = ?6.0 nC, and q = 6.0 nC, what is the magnitude of the electric field at point P in the figure?
a.
65 N/C
b.
55 N/C
c.
60 N/C
d.
52 N/C
e.
67 N/C
Structure 1 with member BC of length L/2 has force P1 applied at joint C. Structure 2 with member BC of length L has force P2 applied at C. Both structures have constant flexural rigidity EI. If the ratio of the applied forces P1/P2 5 5/2, the ratio of the joint C lateral deflections ?C1/?C2 is approximately:
(A) 1/2
(B) 4/5
(C) 3/2
(D) 2
