Art museums use weaker wires than those used in homes because paintings in museums
A) are suspended by pairs of vertical wires.
B) are usually lighter in weight.
C) are more firmly attached.
Answer: A
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Which of the following stars has the hottest stellar surface temperature?
A. A0 B. K9 C. B2 D. G5 E. M6
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 B rotations ?B1/?B2 is approximately:
(A) 1
(B) 5/4
(C) 3/2y
(D) 2
Oscillations in the early universe are most similar to:
A) water waves. B) sound waves. C) light waves. D) seismic waves. E) oscillations of stars in the instability strip of the H-R diagram.
If we were to re-run the formation of the solar system, what would likely be the same and what would likely be different?
What will be an ideal response?