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Physics, 21.06.2019 14:30
:( asap! list all of the items in the item bank and match the definitions correctly.
Answers: 2
Physics, 21.06.2019 17:10
The âdeath throesâ of stars are amongst the most complex phenomena in all of astronomy, and the âcorpsesâ of stars amongst the most energetic and exotic objects in existence. beginning at the end of the core helium fusion stage in a starâs life, describe in detail the post-main sequence development of both (a) a 1.0 solar mass star, and (b) a 25.0 solar mass star. in what significant ways do they differ? what role does each of these types of stars play in the "star-gas-star" cycle and the evolution of chemical elements in our galaxy?
Answers: 1
Physics, 22.06.2019 01:10
Asteam power plant operates on an ideal reheat rankine cycle between the pressure limits of 15 mpa and 10 kpa. the mass flow rate of steam through the cycle is 12 kg/s. steam enters both stages of the turbine at 500°c. if the moisture content of the steam at the exit of the low-pressure turbine is not to exceed 10 percent, determine (a) the pressure at which reheating takes place, (b) the total rate of heat input in the boiler, and (c) the thermal efficiency of the cycle. also, show the cycle on a t-s diagram with respect to the saturation lines. (2.15 mpa; 45.0 mw; 42.6%)
Answers: 3
What event do you think caused the universe to start expanding?...
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