PLEASEE HELP 20!!
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Physics, 22.06.2019 04:00
If steel is more dense that lake water, why can a boat float
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Physics, 22.06.2019 07:00
We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?
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Physics, 22.06.2019 14:00
If element x has 99 protons how many electrons does it have
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Physics, 22.06.2019 14:30
Give one example to show that when substances are mixed,it may result in a chemical or a physical change depending on the conditions.
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