An optical engineer wishes to specify the properties of a concave makeup mirror, which is supposed to provide an upright and enlarged image of the user's face. the engineer wants a magnification factor of two, and she assumes that the user's face will be 30 cm in front of the mirror. what radius of curvature should be specified (in cm) for the fabrication of these mirrors?
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Physics, 22.06.2019 02:30
Agas contained within a piston-cylinder assembly undergoes three processes in series: process 1ïƒ 2: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 2ïƒ 3: constant pressure expansion to 1 liter. process 3ïƒ 1: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat
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Physics, 22.06.2019 10:40
Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v
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Physics, 22.06.2019 17:50
If there's a small amount of friction between two surfaces, the result could be select all that applya. no movement b. heatc. a little bit of movementd. sliding around
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Physics, 22.06.2019 23:00
During the past 150 years in the united states, how did energy consumption compare to population growth
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An optical engineer wishes to specify the properties of a concave makeup mirror, which is supposed t...
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