<span>Easy, take the top off your Thermos bottle filled with hot coffee. Assuming perfect insulation, that hot coffee is isolated from the environment; but when the top is opened the heat can now escape to that environment.
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The lens equation gives d relation between focal length, object distance n image distance.
1/f = 1/v + 1/u
seldon
Answer:
volume measured by pid^3 over 6 i think
Explanation: