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Physics, 23.11.2020 21:10 naomicervero

1- what is a machine? 2- what do we mean my "energy"
3- what are fuels?
4-how do we measure energetic change?
5- what is efficiency?
6- what kind of machines are theres

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1- what is a machine? 2- what do we mean my "energy"
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4-how do we mea...

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