3 years ago

Describe how matter cycles through an ecosystem

1 answer:

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Water is a liquid and it evaporates into the sky as a gas and than it can fall as hail or a pond can freeze over making ice which is a solid

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A submarine periscope uses two totally reflecting 45-45-90 prisms with total internal reflection on the sides adjacent to the 45

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Answer

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Periscope uses 45-45-90 prisms with total internal reflection adjacent to 45°.

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refractive index of glass, n_g = 1.52

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2 years ago

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3 years ago

A scene in a movie has a stuntman falling through a floor onto a bed in the room below. The plan is to have the actor fall on hi

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$U_g=U_e$