A steel bracket ABC (EI 5 4.2 106 N?m2) with span length L 5 4.5 m and height H 5 2 m is subjected to load P 5 15 kN at C. The maximum horizontal displacement of joint C is approximately:
(A) 22 mm
(B) 31 mm
(C) 38 mm
(D) 40 mm
(B) 31 mm
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Which of the following solutions is the most dilute?
A) 0.1 liter of water with 1 gram of sugar B) 0.2 liter of water with 2 grams of sugar C) 0.5 liter of water with 5 grams of sugar D) 1 liter of water with 10 grams of sugar E) They all have the same concentration.
The magnetic field in a region of space is parallel to the surface of a long flat table. Imagine that this page is lying flat on the table. When current is present in the coil, which is lying on the table, the coil tends to rotate so that the left side moves up and the right side moves down. The magnetic field is
A. directed parallel to the page and downwards. B. directed parallel to the page and upwards. C. directed parallel to the page and to the right. D. directed parallel to the page and to the left. E. in a direction that cannot be determined in this experiment
The direct transition from solid ice to gaseous water vapor is known as _______.
What will be an ideal response?
Induction: 
X and Y are two initially uncharged metal spheres on insulating stands, and they are in contact with each other. A positively charged rod R is brought close to X as shown in part (a) of the figure. Sphere Y is now moved away from X, as shown in part (b). What are the final charge states of X and Y?
A. Both X and Y are neutral. B. X is positive and Y is neutral. C. X is neutral and Y is positive. D. X is negative and Y is positive. E. Both X and Y are negative.