A thermometer is made such that the freezing point of water is defined to be 60.0°H and the boiling point of water at sea level is defined to be 520°H. What is absolute zero on the H scale?
A)
0.6°H
B)
-36°H
C)
-980°H
D)
-1256°H
E)
-1196°H
E
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A region of space contains a uniform electric field oriented along the y-axis. A frame of surface area A is placed perpendicular to the y-axis in the xz-plane. The magnitude of the electric flux through this frame is ?0
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What is the approximate mass of a 1-cm2 column of air that extends from sea level to the top of the atmosphere?
A) 1 g B) 1 kg C) 10 kg D) 100 kg
A high-resistance material is used as an insulator between the conductors of a length of coaxial cable. The resistance material, which forms a hollow tube, has an inner radius a and an outer radius b, and the insulator provides a resistance R between the conductors. If a second insulator, made of the same material and having the same length, is made with double both the inner radius and the outer
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A 360-g metal container, insulated on the outside, holds 180.0 g of water in thermal equilibrium at 22.0°C. A 24.0-g ice cube, at the melting point, is dropped into the water,
and when thermal equilibrium is reached the temperature is 15.0°C. Assume there is no thermal energy exchange with the surroundings. For water, the specific heat is 4190 J/kg ? K and the heat of fusion is 3.34 × 105 J/kg. What is the specific heat of the metal of the container? A) 1700 J/kg ? K B) 970 J/kg ? K C) 2300 J/kg ? K D) 2800 J/kg ? K E) 3300 J/kg ? K