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Physics, 21.06.2019 22:30, shartiarahoward
Heena wants to measure the volume of a ball that is 24 cm across. how should she set up her equation?
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What are similarities and differences of reflection, refraction, diffraction and absorption?
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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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