Physics, 19.10.2019 07:30 weridness80

Urban populations occupy about of the planet's land area, but consume about of the earth's resources.

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Physics, 22.06.2019 05:10, blondesaturn

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

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Physics, 22.06.2019 10:10, xavierfox1721

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 17:00, bella51032

Explain what will happen if decomposers were apsent from a forest ecoysystem.

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Physics, 22.06.2019 17:00, marchellepenuliar

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

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Urban populations occupy about of the planet's land area, but consume about of the earth's resourc...