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after a satellite is launched into frictionless space the amount of force needed to keep it moving at a constant speed equals what?
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Ways that industry and agriculture use physical properties to separate substances
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The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 Γ 1013 rad/s. the mass of a nickel atom is 9.75 Γ 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 Γ 10-34 j β’ s, , 1 ev = 1.60 Γ 10-19 j)
Answers: 2
after a satellite is launched into frictionless space the amount of force needed to keep it moving a...
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