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It takes 10 J of work to push a charge into an electric field.Relative to its starting position it has gained a potential energy of
Q32: As your room gets messier day by
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Q58: Magnet A has twice the magnetic field
Q69: A common 5-L metal can will float
Q76: In practice,a good insulator<br>A)stops heat flow.<br>B)slows heat
Q88: When current reverses direction in a wire,the
Q102: When you remove electrons from a metal
Q102: When snow falls,the surrounding air is normally<br>A)cooled.<br>B)warmed.<br>C)both
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Q127: If you quickly run toward the orchestra