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How many molecules are present in 3 mols of silicon dioxide (sio2)?
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Suppose you have three polarizing filters, with the second at an angle of 42∘ to the first and the third at an angle of 90∘ to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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Physics, 22.06.2019 08:30
How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects
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The of wave is defined as the (energy per unit time) transported across unit area to the directio...
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Mathematics, 14.01.2021 09:30
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