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Physics, 22.06.2019 11:30
Where is the potential energy throughout the loading, cocking, and releasing of the trebuchet?
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Physics, 23.06.2019 00:00
Which is an advantage of subdividing science into different areas?
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Physics, 23.06.2019 01:40
The largest observatory complex in the world is on mauna kea, the tallest mountain on earth. what are some factors astronomers consider when selecting an observatory site? don’t forget practical ones. should astronomers, for example, consider building an observatory on denali (mount mckinley) or mount everest?
Answers: 1
Physics, 23.06.2019 02:40
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
Mathematics, 11.04.2021 18:50
World Languages, 11.04.2021 19:00
Mathematics, 11.04.2021 19:00
English, 11.04.2021 19:00
Mathematics, 11.04.2021 19:00
Mathematics, 11.04.2021 19:00
Mathematics, 11.04.2021 19:00
Mathematics, 11.04.2021 19:00
Mathematics, 11.04.2021 19:00
Mathematics, 11.04.2021 19:00