A hollow sphere of diameter 3 in. is filled with air at 200 atm, 60o F. The shell of the sphere has a mass of 0.2 lbm and is of negligible thickness. If the sphere is submerged in water at 60o F, determine the magnitude of the net vertical force, in lbf. Is the force acting upward or downward? Assume the air can be modeled as in ideal gas.

What is most likely the speaker’s reason to open with this? in approaching this problem, we cannot turn the clock back to 1868, when the [fourteenth] amendment was adopted, or even to 1896, when plessy v. ferguson was written. we must consider public education in the light of its full development and its present place in american life throughout the nation. only in this way can it be determined if segregation in public schools deprives these plaintiffs of the equal protection of the laws.

"dyed plant fibers have been found at dzudzuana cave in georgia, dating back to 30,000 years ago." a good paraphrase of this sentence should include: a. how the dyed plant fibers were located within the different caves. b. how old the dyed plant fibers are at dzudzuana cave in georgia. c. the types of plant fibers found in dzudzuana cave in georgia. d. the types of dyes made from plant fibers thousands of years ago.

What is paradoxical about thoreau’s observations of the night he spent in prison