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Aforce of 6 lb is required to hold a spring stretched 4 in. beyond its natural length. how much work w is done in stretching it from its natural length to 8 in. beyond its natural length?
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Physics, 22.06.2019 10:10
In a simplified model of the human eye, the aqueous and vitreous humors and the lens all have a refractive index of 1.40, and all the refraction occurs at the cornea, whose vertex is 2.60 cm from the retina. what should be the radius of curvature of the cornea such that the image of an object 40.0 cm from the cornea’s vertex is focused on the retina?
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Physics, 22.06.2019 13:00
Ways that industry and agriculture use physical properties to separate substances
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Physics, 22.06.2019 17:20
Select all the correct answers.which two statements are true? a moving magnetic field creates an electric field.a constant magnetic field creates an electric field.a constant electric field creates a magnetic field.a moving electric field creates a magnetic field.resetnext
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Aforce of 6 lb is required to hold a spring stretched 4 in. beyond its natural length. how much work...
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