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Jun 26, 2022 at 22:03 history edited Bob D CC BY-SA 4.0
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Jun 26, 2022 at 22:02 comment added Bob D @iwab Se my answer in my update.
Jun 26, 2022 at 21:26 comment added iwab thank you! But how can I imagine that it requires no energy? Wouldn't it cost me mv^2/2 to move it, even if it's frictionless?
Jun 26, 2022 at 12:42 history edited Bob D CC BY-SA 4.0
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Jun 25, 2022 at 21:26 comment added Bob D @iwab I will update my answer in response to your follow up question. But the answer is no
Jun 25, 2022 at 21:23 comment added iwab But why does the external pressure decrease further? Wouldn't that mean that some other work would have to be applied to lower the pressure of the environment?
Jun 25, 2022 at 20:23 history answered Bob D CC BY-SA 4.0