An astronaut circles the earth in a satellite at an altitude of 150 km. if the diameter of his pupils is 2.0 mm and the average wavelength of the light reaching his eyes is 550 nm, is it conceivable that he can distinguish sports stadiums on the earth's surface? private houses? cars?
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Physics, 21.06.2019 17:30
Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?
Answers: 3
Physics, 22.06.2019 03:00
The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.
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Physics, 23.06.2019 03:00
If you visited mount shasta city (elevation 900 m [3000 ft.]) and found the outside air temperature to be 27°c (81°f), what would be the air temperature at the summit of mount shasta (elevation 4200 m [14,000 ft.]) at that moment-assuming that the temperature conditions with altitude change at an average, or normal, lapse rate?
Answers: 3
An astronaut circles the earth in a satellite at an altitude of 150 km. if the diameter of his pupil...
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