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(since 04-05-2020 06:10)
Joined: 11 Dec 2009
Posts: 2530, Topics: 85
Location: Romania/Targoviste

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Post Posted: 13-02-2011, 16:46:28 | Translate post to: ... (Click for more languages)
1. Determinati temperatura izvorului cald al unui motor ideal care functioneaza cu randamentul de 40% si in contact cu zivorul rece care are o temeratura de 27 grade C

2. Scriete transformarile adiabatice in coordonate P;v v:t p;T, precizand semnificatile notatilor din relatie

3. Calculati lucrul mecanic efectuat de un gaz care se dilata cu 2 litri la o presiune constanta de 20 de atm.

4. Ce capacitate calorica are un corp care se incalzeste cu 10 grade C primind o caldura egala cu 0,5 kilojuli

Ms. dau rep -


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