Offshore wind and solar facilities are difficult to construct because of the water
What will be an ideal response?
There is truth to this; engineering in water is more difficult. However, it is not that
difficult and can be made relatively easily.
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Which two satellites of Jupiter are considered "fraternal twins"?
A) Io and Europa B) Io and Callisto C) Europa and Ganymede D) Ganymede and Callisto E) Europa and Callisto
In a collision the total ____________ is the same before and after
Fill in the blank(s) with correct word
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 reactions RB1/RB2 is approximately:
(A) 1
(B) 5/4
(C) 3/2
(D) 2
Unpolarized light is passed through polarizer 1 . The light then goes though polarizer 2 with its plane of polarization at 30.0° to that of polarizer 1 . Polarizer 3 is placed after polarizer 2 . Polarizer 3 has its plane of polarization at 30.0° to the plane of polarization of polarizer 2 and at 60.0° to that of polarizer 1 . What fraction of the intensity of the original light gets though
the last polarizer? a. 0.707 c. 0.281 b. 0.125 d. 0.553