Physics, 21.12.2020 18:00 micahmckay05
Suppose that placing 0.3 inch of lead in front of a gamma source reduces the count rate from 1045 cps to 573 cps. What is um^-1 in g/cm^2?
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If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
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Which planet do you think would be easiest for humans to colonize some day?
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