A humidifier water pan shown in the figure has a surface temperature of 95ºF when the surrounding temperature is 80ºF. If the pan is 2 ft square and the air moves over the pan at 2 ft/s, estimate the convective heat transfer coefficient.
Physics & Space Science
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Population II stars I. are primarily found in the disk of the galaxy. II. contain more heavy metals than population I stars. III. are primarily old low mass stars. IV. are located in globular clusters
a. III & IV b. I & II c. II d. IV e. I, II, & III
Physics & Space Science
This event recurs and happens when one of the companions in the binary system is a white dwarf.
A. Pulsar B. Type I supernova C. Nova D. Type II supernova E. None of these choices is correct.
Physics & Space Science
Which plates are causing the formation of the Andes mountains in western South America? Describe their motions
What will be an ideal response?
Physics & Space Science
How many quarks are in a tritium isotope, H?
A) 2 B) 3 C) 4 D) 6 E) 9
Physics & Space Science