compute the reactions for the structures.

Calculate the R-value for the following materials: a. 4 in. thick brick b. 10 cm thick brick c. 12 in. thick concrete slab d. 20 cm thick concrete slab e. 1 cm thick human fat layer

Lake Mead, near the Hoover Dam, which is the largest man-made lake in the United States, contains 28,537,000 acre-foot of water (an acre-foot is the amount of water required to cover 1 acre to a depth of 1 foot). Express the mass of the water volume in kg and lbm.

For Problems 11.11, 11.12, and 11.13, calculate the U-factors.