Physics, 06.05.2020 05:26 asilverman

What type of image is formed by a lens if m = 2.7 ?

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Physics, 20.06.2019 18:04, rbrummitt1522

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Physics, 21.06.2019 23:30, supernova69

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Physics, 22.06.2019 11:30, tommyaberman

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?

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Physics, 23.06.2019 04:31, redrhino27501

The radioactive isotope of lead, pb-209, decays at a rate proportional to the amount present at time t and has a half-life of 3.3 hours. if 1 gram of this isotope is present initially, how long will it take for 80% of the lead to decay? (round your answer to two decimal places.)