Consider the tube and radiation shield of Problem 13.49, but now account for free convection in the gap between the tube and the shield, as well as for the fact that the temperature of the shield may not be arbitrarily prescribed but, in fact, depends on the nature of the surroundings. If the radiation shield is exposed to quiescent ambient air and large surroundings, each at a temperature of 20C, what is the temperature of the shield? What is the rate of heat loss from the tube per unit length?

Which sentence best contrasts two things? a. air travel, like bus travel, is a fun way to get from one place to another. b. air travel is a fun and relatively easy way to get from place to place. c. both bus travel and air travel require substantial planning. d. air travel is much more expensive than bus travel.

Which themes are portrayed through juliet’s monologue?

Read this excerpt from "a visit from the goon squad."that’s when he began singing the songs he’d been writing for years underground, songs no one had ever heard, or anything like them—“eyes in my head,” “x’s and o’s,” “who’s watching hardest”—ballads of paranoia and disconnection ripped from the chest of a man you knew just by looking had never had a page or a profile or a handle or a handset, who was part of no one’s data, a guy who had lived in the cracks all these years, forgotten and full of rage, in a way that now registered as pure. untouched. how does the author use satire in this excerpt? the author is criticizing media censorship. the author is criticizing the idea of isolationism. the author is mocking society’s overuse of technology. the author is mocking man’s inability to freely express himself.