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How many oxygen atoms in the formula Ba3(PO4)2
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A500g object falls off a cliff and losers 100 j from its gravitational potential energy store. if the gravitational field strength g=9.8n/kg, how high is the cliff?
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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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Ascientific blank must be testable and capable of being proven false?
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How many oxygen atoms in the formula Ba3(PO4)2...
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