Physics, 12.01.2020 04:31 BrownBenjamin2807
Asupersonic jet is 3,600 kilometers east of u. s. airspace and has been flying for 3 hours. if the jet flies at a constant velocity of 2,400 kilometers per hour to the west, how much time will it take the jet to reach u. s. airspace? write your answer to the tenths place.
Answers: 3
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
Physics, 22.06.2019 12:30
Awheel of mass 48 kg is lifted to a height of 0.8 m. how much gravitational potential energy is added to the wheel? acceleration due to gravity is g = 9.8 m/s2. a. 30.4 j b. 3.1 j c. 297.9 j d. 11,321 j
Answers: 1
Asupersonic jet is 3,600 kilometers east of u. s. airspace and has been flying for 3 hours. if the j...
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