Temperature 61484
The air bubble at the bottom of the lake at a depth of h = 21 m has a radius r1 = 1 cm at a temperature of t1 = 4 °C. The bubble rises slowly to the surface, and its volume increases. Calculate its radius when it reaches the lake's surface, with a temperature of t2 = 27 °C. Atmospheric pressure is b = 0.1 MPa, water density = 1030 kg. m-3. Do not take surface tension into account.
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