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What defines the mass number of an isotope? a. the sum of the neutrons and protons b. the sum of the neutrons and electrons c. the number of neutrons d. the number of protons
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The graph describes the motion of an object. the object moves with from a to b. it from b to c. it moves with from c to d.
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At very high pressures, gases become and will eventually a) more dense; become hotter b) more dense; change to a liquid or solid c) less dense; combust d) less dense; turn into a liquid
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Lacie kicks a football from ground level at a velocity of 13.9 m/s and at an angle of 25.0ยฐ to the ground. how long will the ball be in the air before it lands? how far will the football travel before it lands?
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A proton is released from rest at the positive plate of a parallel- plate capacitor. It crosses the...
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