191020photons per second are emitted by a 70w lightbulb the
1.9*10^20photons per second are emitted by a 70W lightbulb, the wavelength is 550nm. A person can just see this bulb from a distance of 800m, with the pupil diameter dialated to 7.5mm. How many photons per second are entering the pupil?
Expected delivery within 24 Hours
The winch consists of a drum radius 4 in., which is pin connected at its center C. At its outer rim is a ratchet gear having a mean radius of 6 in. The pawl AB serves as a two-force member (short link) and keeps the drum from rotating.
A submarine is 309 m horizontally out from the shore and 149 m beneath the surface of the water. find the height of the building
Three sheets of plastic have unknown indices of refraction. Sheet 1 is placed on top of sheet 2, what is the expected angle of refraction in sheet 3
Case Study Presentation and Report Case Study Presentation and Report
1.9*10^20photons per second are emitted by a 70W lightbulb, the wavelength is 550nm. How many photons per second are entering the pupil
determine the force exerted by the rider on the seat, the upward normal forces at A and B, and the lateral friction forces at A and B. Even though the bicycle is free to roll, assume that it does not. The bicycle weighs 29 lb with center of gravit
You're trying to save to buy a new $170,000 Ferrari. If you believe that your mutual fund will achieve a 12% per year rate of return, and you want to buy the car for your birthday in 9 years, how much must you invest today?
Thereafter, dividends will grow at 7% per year. What will Bling Diamond's cahs dividends be in seven years?
Your company has received a $50,000 loan from an industrial finance co. The annual payments are $6202.70. If the company is paying 9% interest per year, how many loan payments must the company make?
1954165
Questions Asked
3,689
Active Tutors
1413772
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: What is a key difference between Herzberg's motivator-hygiene theory and other content theories?
You have been asked to explain two newborn assessment scales to a group of middle school students who are interested in becoming nurses.
Personal power is: (select all that apply) the use of our energy to influence the quality of life for ourselves and others.
Human services professionals might assist during pretrial by assessing a justice-involved individual's situation and recommending rehabilitation
Show it in my post "Discussion Question: "In what ways do personal identity and self-concept influence an individual's motivations for engaging in addictive beh
In what ways do personal identity and self-concept influence an individual's motivations for engaging in addictive behaviors, and how can this understanding
A forensic analyst is told by detectives that the suspect is 'definitely guilty.' The analyst then focuses only on searching for files that support this theory