An exterior wall of a house may be approximated by a 4-in layer of common brick (k 0 followed by a 1.5 in layer of gypsum plaster (k 0.48 w/m c). what thickness of loosely packed rock- wool insulation (k 0.065 w/m c) should be added to reduce the heat loss through the wall by 80 percent?

Madison pushes with a 210-n horizontal force on a 24-kg crate of coffee resting on a warehouse floor. the force of friction on the crate is 74 n. what is the acceleration?

Urgent pls a. coal consumption levels off and remains flat. b. petroleum, natural gas, and renewables show an increase in consumption c. more nonrenewable resources continued to be consumed than renewable. d. there is little projected increase in nuclear energy use. e. carbon dioxide emissions are projected to decline as we approach 2040. global energy consumption is defined as the total energy used by an individual or organizations from around the world. use the graph above to analyze the projected energy consumption from now until 2040. which statements in the prompt apply? a) a, b, d b) b, c, d c) a, c, d d) a, b, c, d

How can waves travel through ground?