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What did Isaac Newton’s investigation if the gravity explain ?
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Glass has a hardness that is in the middle of the hardness scale. what is the hardness of glass?
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The amount of heat required to change liquid water to vapor at its boiling temperature is 2256 kj/kg. the amount of heat required to change liquid mercury to its vapor state at its boiling temperature is 295 kj/kg. one kg of each substance is currently at its boiling point. how will the amount of thermal energy required to change each substance from a liquid to a gas differ?
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Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class
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Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.
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What did Isaac Newton’s investigation if the gravity explain ?...
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