Physics, 18.08.2019 11:00 pattydixon6
If we start with 48 atoms of a radioactive substance, how many would remain after one half-life?
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True or false: the cycle of seasons on the earth is caused by the tilt of the earth on its axis toward and away from the sun.
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Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?
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Physics, 22.06.2019 03:40
Which types of electromagnetic waves have higher frequencies than the waves that make up ultraviolet light? check all that apply. radio waves infrared light microwaves gamma rays visible light x-rays
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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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If we start with 48 atoms of a radioactive substance, how many would remain after one half-life?...
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