A barge is 10.0 m wide and 60.0 m long and has vertical sides. The bottom of the hull is 1.20 m below the water surface. What is the weight of the barge and its cargo, if it is floating in fresh water?
A) 3.53 MN
B) 6.39 MN
C) 6.82 MN
D) 7.06 MN
E) 9.54 MN
D
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Electrical polarization occurs when
a. An electron is at a different location than a proton. b. Charge distribution in a neutral molecule separates. c. The electron and the proton are on different sides of an atom. d. An atom vibrates in a single direction. e. None of the above.
A gold ring has an inner diameter of 2.168 cm at a temperature of 15.0°C. Determine its diameter at 100.0°C. (?GOLD = 1.42 × 10?5/°C)
What will be an ideal response?
At what rate is power supplied by the 10-V emf shown below?
a.
?10 W
b.
+10 W
c.
zero
d.
+20 W
e.
?20 W
Determine the equivalent capacitance of the combination shown when C = 12 pF
a.
48 pF
b.
12 pF
c.
24 pF
d.
6.0 pF
e.
59 pF