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How do you find input energy with only the efficiency and output energy given?
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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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What property is a characteristic of a substance that can be observed and does not change the identity of the substance
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What is the earliest point in the universe that we can observe? why can’t we see back further than this?
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How do you find input energy with only the efficiency and output energy given?...
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