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The angle of incidence and the angle of reflection are measured from the the perpendicular to the surface.
a. planar
b. normal
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In 1980, alfa romeo introduced the first system to smooth a rough idle caused by ignition and camshaft timing changes.
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Oxygen and hydrogen gas are at the same temperature t.what is the ratio of kinetic energies of oxygen molecule and hydrogen molecule if oxygen is 16 times heavier than hydrogen.
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During which interval are the persons represented by the graph not moving? a) 0 to 0.5 hrs b) 1.5 to 2 hrs c) 2 to 2.5 hrs d) 4.5 to 5 hrs
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Physics, 22.06.2019 13:30
The two stars in a certain binary star system move in circular orbits. the first star, alpha, has an orbital speed of 36 km/s. the second star, beta, has an orbital speed of 12 km/s. the orbital period is 137 d. a) what is the mass of the star alpha? b) what is the mass of the star beta?
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The angle of incidence and the angle of reflection are measured from the the perpendicular to the s...
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