Physics, 29.07.2019 01:30 pnhandley01
Calculate the highest frequency x-rays produced by 8.00 · 104 ev electrons. hz 7.50 x 1056 8.6 x 10-48 5.1 x 10-20 1.93 x 1019
Answers: 1
Physics, 22.06.2019 09:00
Sobre transformações cíclicas, são feitas algumas afirmações, determine quais estão corretas. i – a variação de energia interna em uma transformação cíclica é nula; ii – o trabalho, em uma transformação cíclica, é sempre positivo; iii – ao completar um ciclo, o gás tem a mesma temperatura com a qual começou a transformação; iv – uma transformação cíclica é, obrigatoriamente, composta de transformações conhecidas, como adiabática, isocórica, etc: a) i e iii b) i e ii c) ii e iii d) i e iv e) iii e iv
Answers: 1
Physics, 22.06.2019 10:20
Assume that a person skiing high in the mountains at an altitude of h = 15100 ft takes in the same volume of air with each breath as she does while walking at sea level. determine the ratio of the mass of oxygen inhaled for each breath at this high altitude compared to that at sea level. assume that the air composition (i.e. % of air that is oxygen) is the same at sea level as it is at 15100 ft.
Answers: 2
Physics, 23.06.2019 02:30
Can a molecule have bond dipoles but not have a molecular dipole?
Answers: 2
Calculate the highest frequency x-rays produced by 8.00 · 104 ev electrons. hz 7.50 x 1056 8.6 x...
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