Physics, 20.07.2019 13:30 bapefer498
Aradioactive sample has a count rate of 800 counts per minute. one hour later, the count rate has fallen to 100 counts per minute. what is the half-life of the sample?
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Which of the following are not typically included in the periodic table? a. atomic mass b. element symbol c. isotopes d. number of electrons
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Abar magnet cut in half will form a total ofpoles.a)fourb)eightc)two
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Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction
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Aradioactive sample has a count rate of 800 counts per minute. one hour later, the count rate has fa...
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