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?
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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
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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
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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?
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