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tejasheree
16.09.2021 •
Physics
O gás contido em um recipiente cilíndrico de êmbolo
móvel sofre uma transformação na qual recebe de uma
fonte térmica 800 cal. Simultaneamente, executa-se
sobre o gás um trabalho de 209 J. Sabendo-se que 1 cal
= 4,18 J, determine a variação de energia interna do gás.
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Ответ:
Simultaneamente, executa-se sobre o gás um trabalho de 209 J. Sabendo-se que 1 cal = 4,18 J, determine a variação de energia interna do gás.
Explanation:
Ответ:
Explanation:
Equilibrium position in y direction:
W = Fb (Weight of the block is equal to buoyant force)
m*g = V*p*g
V under water = A*h
hence,
m = A*h*p
Using Newton 2nd Law
Hence, T time period
T = 2*pi*sqrt ( h / g )