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Physics, 20.02.2020 09:23, meiyrarodriguez
At 2500km above earth surface ,the density of atmosphere is about 1 molecule/cm^3. what mean free path is predicted by equation Pv=nRT and what is its significance under these conditions? assume a molecular diameter of 2.0×108cm
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Abaseball is thrown from the outfield toward the catcher. when the ball reaches its highest point, which statement is true? (a)its velocity is not zero, but its acceleration is zero. (b) its velocity and its acceleration are both zero. (c) its velocity is perpendicular to its acceleration. (d) its acceleration depends on the angle at which the ball was thrown. (e) none of the above statements are true.
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At 2500km above earth surface ,the density of atmosphere is about 1 molecule/cm^3. what mean free pa...
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