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?
1954764
Questions Asked
3,689
Active Tutors
1426706
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
You're instructing a patient with athsma about the use of bronchodilators. You should teach the patient which one?
How have social media and other new forms of advertising changing OPDP's work?
Observing and reporting a correctional client's behavior is extremely important, to ensure they receive the right mental health care.
You are trying to improve patient satisfaction scores in your hospital's emergency department. You decide to poll 40 patients a day for three weeks.
Sam is concerned about his risk for his stroke since his dad died of stroke at age 57 based on the following information why would you recommend
You are on your 5th straight duty in the Urgent Care and you are seeing a 18 yo may who presented with acute-onset abdominal pain for 2 days.
A nurse is caring for an 8-year-old male with a history of moderate persistent asthma. He is accompanied by his mom and dad who reported