How many photons pass through your pupil
A sodium vapor light emits 10 W of light energy. Its wavelength is 589 nm, and it spreads in all directions. How many photons pass through your pupil, diameter 4mm, in 1 s if you stand 10 m from the light?
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The dimentionless henery's constant for trichlorothene (TCE) at 23C is 0.4LH2O/Lair. A sealed glass vial is prepared that has a volume of 4ml, overlying an aqueous(water)volume of 36 ml.
A 46.5-cm-diameter circular loop is rotated in a uniform electric field until the position of maximum electric flux is found. The flux in this position is measured to be 5.21 105 N · m2/C. What is the magnitude of the electric field?
A compound is 40.0 % C, 6.70 % H, and 53.3 % O by mass. Assume that we have a 100.- g sample of this compound. What are the subscripts in the empirical formula of this compound?
An isotonic solution contains 0.95% NaCl by mass per volume. Calculate the percent mass per volume for isotonic solutions containing each of the following solutes at 30 degrees Celsius. Assume a van't Hoff factor of 1.9 for all ionic solutes.
An X-ray source of unknown wavelength is directed at a carbon sample. An electron is scattered with a speed of 4.5x107m/s at an angle of 60o. Determine the wavelength of the X-ray source.
A cylindrical drum is 2 ft in diameter, is 3 ft long and weighs 30 lb when empty. Aluminum weights are to be placed inside the drum to make it neutrally buoyant in fresh water. What volume of aluminum in inches cubed will be required if it weighs
A 8.00 cm diameter wire coil is initially oriented so that its plane is perpendicular to a magnetic field of 0.510 T pointing up. During the course of 0.180 s, the field is changed to one of 0.250 T pointing down. What is the average induced emf i
Calculate the average induced voltage between the tips of the wings of a Boeing 747 flying at 880 km/hr above East Lansing. The downward component of the earth's magnetic field at this place is 0.7·10-4 T.
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The themes on improving medical education in both the Flexner Report and the state of medical education 100 years later are:
The population (P), intervention (I), comparison (C), outcome (O), and time (T), or PICOT, format was used to prepare the following clinical question
A client had a 10.2 hemoglobin on admission to labor and delivery. 2 hours after delivery she calls for the nurse to accompany the bathroom?
A 22-year-old nursing student presents to clinic with the following story: While in nursing school, he and his classmates were learning how to perform a 12-lead
Question: Mimi works at an outpatient treatment center providing individual counseling to patients with schizophrenia.
Which recommendations for influenza vaccination are correct? Select all that apply. Click submit to check your answers.
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