Physics, 22.01.2021 02:20 pineapplepizaaaaa
1. Trei cantitati egale de apa cu temperaturile t 1 = 15 0 C, t 2 = 55 0 C, respectiv t 3 = 80 0 C sunt turnate intr-un
vas pentru a obtine un apa calda. Se cere:
a) Temperatura apei calde obtinute, t e , neglijand pierderile de caldura
b) Temperatura apei calde obtinute, t e , daca 10% din caldura cedata este pierduta
c) Reprezentati grafic dependentele t = f(τ), in acelasi
sistem de axe, in conditiile punctului a), unde timpul
τ = 5 s, apoi precizati pe graficele obtinute cu (1), (2),
respectiv (3) carei mase de apa ii corespunde fiecare
grafic.
ma intereseaza cel mai mult la C
Answers: 3
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This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.
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1. Trei cantitati egale de apa cu temperaturile t 1 = 15 0 C, t 2 = 55 0 C, respectiv t 3 = 80 0 C s...
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