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Q9: The pair of protons in the nucleus
Q9: No work is done by gravity on
Q24: Which of the following is not a
Q27: The product of gas pressure and volume
Q38: Two charged particles near each other are
Q71: A boat loaded with scrap iron floats
Q108: A lunar month is about 28 days.If
Q116: Compared to the density of water,the density
Q135: The equivalent (combined)resistance of 1-ohm,2-ohm,and 3-ohm in
Q145: The parabolic path of a cannonball fired