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Betty made a simple electromagnet using just a battery and a wire. What could Betty do to increase the strength of her
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How many atoms of nitrogen are in the chemical formula ni(w on
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You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.
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Betty made a simple electromagnet using just a battery and a wire. What could Betty do to increase t...
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