Engineering, 12.02.2022 23:40 Calliedevore
52 points+Brainliest for correct answer
An electron on an energy level has an energy of 16.32 x 10β19 J. It moves to another level by releasing 5.4 x 10β19 J of energy. Which of the following descriptions mostly likely explains what occurred?
The electron moved down to an energy level and has an energy of 10.92 x 10β19 J.
The electron moved down to an energy level and has an energy of 21.72 x 10β19 J.
The electron moved up to an energy level and has an energy of 10.92 x 10β19 J.
The electron moved up to an energy level and has an energy of 21.72 x 10β19 J.
Answers: 1
Engineering, 04.07.2019 18:10
If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
Answers: 1
Engineering, 04.07.2019 18:10
Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)
Answers: 1
Engineering, 04.07.2019 18:10
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60Β°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 Β°c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
52 points+Brainliest for correct answer
An electron on an energy level has an energy of 16.32 x 10...
Mathematics, 23.01.2020 22:31
Mathematics, 23.01.2020 22:31
History, 23.01.2020 22:31
Physics, 23.01.2020 22:31
Mathematics, 23.01.2020 22:31
History, 23.01.2020 22:31
Biology, 23.01.2020 22:31