Physics, 26.06.2019 05:20 douglife5836
Technician a says that if the cooling system has been exposed to the air for more than 24 hours, the drier should be replaced. technician b says that repairs should be made before refrigerant is evacuated from a system. who is correct?
a. both technicians a and b b. technician b c. technician a d. neither technician a nor b
Answers: 1
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The atoms in a nickel crystal vibrate as harmonic oscillators with an angular frequency of 2.3 Ć 1013 rad/s. the mass of a nickel atom is 9.75 Ć 10-26 kg. what is the difference in energy between adjacent vibrational energy levels of nickel? (h = 6.626 Ć 10-34 j ā¢ s, , 1 ev = 1.60 Ć 10-19 j)
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Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block
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Describe how the motion of a spring being pushed forward and backward is similar to the motion of air particles in a sound wave.
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Technician a says that if the cooling system has been exposed to the air for more than 24 hours, the...
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