If you have a sample of a radioactive substance and you
If you have a sample of a radioactive substance, and you measure 25mCi of activity on the day it arrives. It sits around for 11,460 years, and you remeasure the activity it is only 6.25mCi. What is the half life of the compound?
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a 175 kg block slides on a rough horizontal surface the blockhits a spring with a speed of 186 ms and compresses it a
if you have a sample of a radioactive substance and you measure 25mci of activity on the day it arrives it sits around
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you will focus on the debate between the personalistic and naturalistic positions in scientific history and how the
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when mass m is at the position shown it is sliding down theinclined part of a slide at a speed of 189 ms the mass stops
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