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In a system, when potential energy decreases, then entropy also decreases. true false
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Which atomic model was proposed as a result of j. j. thomson’s work?
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The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 × 1013 rad/s. the mass of a nickel atom is 9.75 × 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 × 10-34 j • s, , 1 ev = 1.60 × 10-19 j)
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Physics, 22.06.2019 16:00
What is friction? how does it affect the motion of an object?
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What does the image formed by convex lens depend upon...
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