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In which of the following is positive work done by a person on a suitcase
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A4.0-cm tall light bulb is placed a distance of 32.0 cm from a concave mirror having a focal length of 16.0 cm. determine the image distance
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Which statement best explains why the overall charge on an atom is zero?
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What is the specific heat capacity of water at 20 °C and 1 atmospheric pressure?
126 J / kg ° C
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