Recent content by tiago000000

  1. tiago000000

    Can Energy Be Saved When Using an Air Pump to Lift a 5kg Weight?

    Hi everyone! I regularly use the forum to learn but never registered to post anything, as I have nothing to teach really… But today I have a question regarding the law of conservation of energy that I can’t find the answer to, and maybe someone will help me understand: (I’ve attached a drawing)...
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