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Physics, 21.06.2019 19:30
Molten iron fills a mould, which has a volume of 200 cm cubed. calculate the volume when the iron cools and solidifies. molten iron has a density of 7.0g/cm cubed. in its solid state, iron has a density of 8.0g/cm cubed.
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Physics, 21.06.2019 21:00
An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?
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Physics, 22.06.2019 16:00
In which of the following is positive work done by a person on a suitcase
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a ball rolls horizontally of the edge of the cliff at 4 m/s, if the ball lands at a distance of 30 m...
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