Physics, 22.09.2019 16:50, fonsworth5
Venus's average distance from the sun is 0.72 au and saturn's is 9.54 au. calculate the orbital velocity of venus and saturn around the sun. (the mass of the sun is 1.99 x 10^30 kg. an au is 1.50 x 10^11 m.
Answers: 1
Physics, 22.06.2019 13:40, crayons18
An ideal otto cycle has a compression ratio of 10.5, takes in air at 90 kpa and 40°c, and is repeated 2500 times per minute. using constant specific heats at room temperature, determine the thermal efficiency of this cycle and the rate of heat input if the cycle is to produce 90 kw of power.
Answers: 2
Physics, 23.06.2019 00:50, davelezow72301
Which of the following is not an appropriate unit for acceleration? (kg/12 mihr? m/min/sec cm/30c?
Answers: 2
Physics, 23.06.2019 02:40, smack2045
An air standard cycle with variable specific heats is executed in a closed system and is composed of the following four processes. 1-2 isentropic compression 100 kpa and 22°c to 600 kpa 2-3 v=constant heat addition to 1500 k 3-4 isentropic expansion to 100 kpa 4-1 p=constant heat rejection to initial state (a) show the cycle on p-v and t-s s (b) calculate the net work output per unit mass (409 kj/kg) (c) determine the thermal efficiency (47.9%)
Answers: 1
Physics, 23.06.2019 05:20, leahstubbs
Derive the formula 2as=v² -u² where the formula have have usual meanings
Answers: 1
Venus's average distance from the sun is 0.72 au and saturn's is 9.54 au. calculate the orbital velo...
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