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The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is transformed ⇒ as it changes into other forms of energy.
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Two polarizers are oriented at 40∘ to each other and plane-polarized light is incident on them. if only 16 percent of the light gets through both of them, what was the initial polarization direction of the incident light?
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How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c
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Mechanical energy is when the amount of kinetic and potential energies added together remains the same. conserved created lost
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All atoms of the element potassium have 19 protons. one of the most stable types of potassium atoms...
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