Physics, 21.07.2019 21:30 goldenhawk239
In the first law of thermodynamics, ae q-w, what does q stand for?
Answers: 2
Physics, 22.06.2019 05:10
Total solidification times of three casting geometries are to be compared: a sphere, a cylinder, in which the length-to-diameter ration - 1.0, and a cube. volume = 1000 cm^3 for all three shhapes, and the same casting alloy is used. a) determine the solidification times of each geometry b) based on the results of part (a), which geometric element would make the best riser? c) if the mold constant = 3.5 min/cm^2 in chvorinov's rule, compute the total solidification time for each casting.
Answers: 3
Physics, 22.06.2019 10:00
How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
Answers: 1
Physics, 22.06.2019 13:20
Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron
Answers: 2
Physics, 22.06.2019 14:00
Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.
Answers: 1
In the first law of thermodynamics, ae q-w, what does q stand for?...
History, 06.10.2019 15:00
Mathematics, 06.10.2019 15:00
Mathematics, 06.10.2019 15:00
English, 06.10.2019 15:00
Health, 06.10.2019 15:00
English, 06.10.2019 15:00
Mathematics, 06.10.2019 15:00
Mathematics, 06.10.2019 15:00
Mathematics, 06.10.2019 15:00