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Physics, 22.06.2019 05:30
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 17:00
The force it would take to accelerate an 900-kg car at the rate of 6m/s2
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What evidence is there that the universe is expanding?...
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