The diagram below shows the position of a long straight wire perpendicular to the page and a set of directions labeled A through H. When the current in the wire is directed up out of the page, the direction of the magnetic field at point P is
A. E.
B. F.
C. G.
D. H.
E. A.
Answer: C
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The object with a natural frequency of higher pitch is a
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Latent Heats: If you add 1.33 MJ of heat to 500 g of water at 50°C in a sealed container, what is the final temperature of the steam? The latent heat of vaporization of water is 22.6 × 105 J/kg, the specific heat of steam is 2010 J/kg ? K, and the specific heat of water is 4186 J/kg ? K.
A. 100°C B. 112°C C. 123°C D. 147°C E. 195°C
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a. 117 N·m b. 308 N·m c. 140 N·m d. 168 N·m e. 154 N·m
The specific heat of soil (average value) is one-fourth of a calorie per gram degree Celsius. Explain why water is a better moderator of temperature than soil