Photon absorbed by an electron
A photon absorbed by an electron will give up more energy to the electron if the photon:
A) is moving slower.
B) has a higher frequency.
C) is moving faster.
D) is not spread out over many electrons
Expected delivery within 24 Hours
Steam enters a diffuser at 20 psia and 240oF with a velocity of 900 ft/s and exits as saturated vapor at 240oF and 100 ft/s. The exit area of the diffuser is 1 ft2.
A rigid tank whose volume is 0.5 m3, initially containing ammonia at 20oC, 1.5 bar, is connected by a valve to a large supply line carrying ammonia at 12 bar, 60oC.
How fast would you have to spin a single circular loop with a radius of 1cm to get the same voltage?
A manometer connected to the tap shows a head of 0.14 in. of mercury above atmospheric. Determine the approximate speed of the air leaving the nozzle if it is at 40°F and 14.7 psia.
In 2001, the United States produced 51% of its electricity in the amount of 1.878 * 10^12 kWh from coal fired power plants. Taking the average thermal efficiency to be 34%, determine the amount of thermal energy rejected by the coal fired power pl
If the data yielded a sample mean of 19.3 minutes with a standard deviation of 5.2 minutes, estimate the true mean time and calc ulate the margin of error.
The second solenoid is 200 circular loops of wire with a diameter of 6.0 cm encircling the smaller solenoid. The current in the inner solenoid is turned on so that it goes from 0 to 500 mA in two seconds. What is the voltage generated in the outer
The piston/cylinder contains 0.1 kg R-410a at 600 kPa, 60oC. It is now cooled, so the volume is reduced to half of the initial volume. What is the heat transfer in the process?
1929540
Questions Asked
3,689
Active Tutors
1434987
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What are some thoughts that might lead to relapse? (Examples: Thinking about the good times or thinking you are cured.)
A nurse in a mental health clinic is beginning a counseling session with a client who is having difficulties in a personal relationship.
Introduction (6 pts). Introduce the question context and any scientific hypotheses. Connect the research question with the data analysis approach;
Justify why developmental theories are useful in practice. A. They help explain how a child's environment affects growth and development
The affects of being on long term unemployment from losing your job can be difficult and taxing mentally for many people.
which of the treatments worked the best in alleviating depression symptoms (as indicated by the depression rating scales used to assess
Briefly describe the client's presenting issues and concerns of generalized anxiety especially at work in a retail store when it gets busy