What is the total displacement of the car after 5 h?
0 km 15 km 20 km 40 km...
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How many atoms of oxygen are contained in 160 grams of n2o3
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Which other elements contain the same number of outer electrons as sodium
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In a heat of an engine, if 700 j enters the system, and the piston does 400 j of work what is the final internal (thermal) energy of the system if the initial energy is 1,500 j
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