Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 19, Problem 17SP
Determine the R value for a 2.54-cm-thick plaster wall. [Hint: Consult Table 19-1 and study Eq. (19.3).]
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Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of 3.226 g, is pressed into a leaf of 6.475 μm thickness, what is the area of the leaf? (b) If, instead, the gold is drawn out into a cylindrical fiber of radius 3.000 μm, what is the length of the fiber?
(a) Suppose a meter stick made of steel and one made of invar (an alloy of iron and nickel) are the same length at 0ºC . What is their difference in length at 22.0ºC ? (b) Repeat the calculation for two 30.0-m-long surveyor’s tapes.
Gold is one of the most
malleable and ductile metals,
so if the density of gold
is 19.32 g cm3, then when
a mass of 27 g of gold is
drawn to make a sheet of 1
micrometer thickness, the
area of gold leaf will be.
Chapter 19 Solutions
Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
Ch. 19 - 9. What temperature gradient must exist in an...Ch. 19 - Prob. 10SPCh. 19 - 11. Suppose the area of a window on a passenger...Ch. 19 - 12. The temperature on the inside face of a glass...Ch. 19 - 13. A sheet of ice 1.0 m by 1.0 m and 1.0 cm thick...Ch. 19 - Prob. 14SPCh. 19 - 15. How many grams of water at 100 °C can be...Ch. 19 - 19.16 [II] A certain double-pane window consists...Ch. 19 - 17. Determine the R value for a 2.54-cm-thick...Ch. 19 - Prob. 18SP
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