Physics, 22.01.2021 19:50 MansellS5529
2. (SPS8) Which of the following does not indicate velocity? (1 pt.)
A. 20 miles from Sandy Springs to Decatur
B. 36 mi/h towards downtown Atlanta along Peachtree Street
C. 22 ft/s SSE
D. 82 km/h going from Georgia to Louisiana
Answers: 2
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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)
Answers: 2
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Two pans of a balance are 24.1 cm apart. the fulcrum of the balance has been shifted 1.33 cm away from the center by a dishonest shopkeeper. by what percentage is the true weight of the goods being marked up by the shopkeeper? assume the balance has negligible mass. answer in units of %.
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2. (SPS8) Which of the following does not indicate velocity? (1 pt.)
A. 20 miles from Sandy Springs...
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