Resistance and Resistivity: A certain metal wire has a cross-sectional area of 1.0 cm2 and a resistivity of 1.7 × 10-8 ? ? m. How long would it have to be to have a resistance of 1.0 ??
A. 5.9 × 106 m
B. 5.9 m
C. 5.9 × 104 m
D. 590 m
E. 5.9 km
Answer: E
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The specific of ice is 2.10 kJ/kg 
the heat of fusion for ice at 0
is 333.7 kJ/kg, the specific heat of water 4.186 kJ/kg
and the heat of vaporization of water at 100
is 2,256 kJ/kg. What is the final equilibrium temperature when 10.0 grams of ice at -15
is mixed with 40.0 grams of water at 
?
A. 59.5
B. 57.2
C. 53.6
D. 48.9
E. 42.6
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A. 1.4 × 10?2 Pa B. 0.12 Pa C. 9.0 × 10?6 Pa D. 4.5 × 10?5 Pa E. 2.3 × 10?6 Pa
A beaker of negligible heat capacity contains 456 g of ice at -25.0°C. A lab technician begins to supply thermal energy through the process of heating to the container at the rate of 1000 J/min
How long after starting will the ice begin to melt, assuming all of the ice has the same temperature? The specific heat of ice is 2090 J/kg ? K and the latent heat of fusion of water is 33.5 × 104 J/kg.