An electron in the 2nd excited state is trapped in a 1-d infinite square well with edges at x-o and x 0.9 nm. a. sketch the wavefunction of the electron. b. calculate the energy of the electron. c. what is the probability of finding the electron between 0 and 0.3 nm? d. the energy of the sides of the well is lowered from infinity to about 10 ev. without calculating, describe how the energy and wavelength of the electron will change and explain why these changes will occur based on the wavefunction.
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Physics, 21.06.2019 23:30
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For problems 1-3, consider a simple dc brush motor with a permanent magnet stator. with an an consider a simple dc brush motor with a permanent magnet ae supply voltage of 100 v, the no-load speed of the motor is 1000 rpm. this motor can provide a torque of 1.9 n-m at 800 rpm drawing a current of 2 a current are both zero at no load.) 1. with an armature supply voltage of 100 v, the motor is operated at 900 rpm. what is the motor torque? what is the mechanical power delivered by the motor? what is the current draw? what is the electrical power input? what is the energy efficiency of the motor? with an armature supply voltage of 100 v, the motor is operated at 1100 rpm (where it acts as a generator). what torque input is required? what mechanical power is required what current is generated? what is the electrical power generated? what is the energy efficiency of the motor acting as a generator? 2. with an armature supply voltage raised to 120 v, the motor is operated at 1000 rpm. what is the no-load speed? what is the motor torque? what is the mechanical power delivered by the motor? what is the current draw? what is the electrical power input what is the energy efficiency of the motor? 3.
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Physics, 22.06.2019 14:00
Acar travels in reverse. it covers 150 meters in 12 seconds what is the velocity of the car what is the speed of the car
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An electron in the 2nd excited state is trapped in a 1-d infinite square well with edges at x-o and...
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