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Physics, 21.06.2019 23:10
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How many neutrons does plutonium -196 with an atomic number of 78.
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Physics, 22.06.2019 22:30
Suppose astronomers built a 140-meter telescope. how much greater would its light-collecting area be than that of the 10-meter keck telescope? express your answer using two sign
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What is the largest meteoroid that has collided with this planet
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Two charged concentric spherical shells have radii 8.83 cm and 15.4 cm. The charge on the inner shel...
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