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How derive and measure total free energy from mass,PV and heat content? How to calculate addition vectore by graphing? Are animals aware of having a brain and heart? If rules of gravity indicate that a moving mass is further away from the gravity mass,the slower it moves,so nixing Hubble constant? Find the exact length of the curve.
x = 1 + 9t^2, y = 7 + 6t^3, 0 ≤ t ≤ 2?