Physics, 09.08.2019 04:10 hamada11617
Asubmarine is powered by a nuclear reactor that consists of the reactor coolant, steam generation and other support systems that supply steam to the engine room. the pressurized water reactor (pwr) uses 20-45% enriched uranium-235 fuel to produce 165 mw of power, driving two 26 mw steam turbines that generate electricity and drive the propeller shaft the submarine has a displacement of 19800 tons submerged, crew of 105, length of 185 m and width of 12 m. calculate the speed of the submarine when surfaced and submerged in kn (knots) or km/h. a) use the pwr data to determine amount of power generated & use shaft work correlation to calculate the submarine propulsion when surfaced & submerged b) the speed of the submarine must be realistic as the fastest submarine speed recorded is 32 kn. show all necessary calculations c) specify no of screws/blades from your calculation
Answers: 2
Physics, 22.06.2019 09:50
If an athlete runs once around a track, back to the starting line, her average velocity is zero. true or false?
Answers: 3
Physics, 22.06.2019 12:30
Consider a hydrogen atom in the ground state. what is the energy of its electron? =e= jj now consider an excited‑state hydrogen atom. what is the energy of the electron in the =5n=5 level? =e5= j
Answers: 3
Physics, 22.06.2019 20:50
The second largest public utility in the nation is the sole provider of electricity in 32 counties of southern florida. to meet the monthly demand for electricity in these counties, which is given by the inverse demand function p = 1,200 – 4q, the utility company has set up two electric generating facilities: q1 kilowatts are produced at facility 1, and q2 kilowatts are produced at facility 2 (so q = q1 + q2). the costs of producing electricity at each facility are given by c1(q1) = 8,000 + 6q12 and c2(q2) = 6,000 + 3q22, respectively. determine the profit-maximizing amounts of electricity to produce at the two facilities, the optimal price, and the utility company’s profit
Answers: 3
Asubmarine is powered by a nuclear reactor that consists of the reactor coolant, steam generation an...
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