A certain radioactive material has an atomic mass of 172
A certain radioactive material has an atomic mass of 172 and a half-life of 505 years (take 1 yr = 365.25 d). What is the activity of 0.9 g of this material?
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a long solenoid consists of 1600 turns and has a length of 055 mthe current in the wire is 041 a what is the magnitude
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a certain radioactive material has an atomic mass of 172 and a half-life of 505 years take 1 yr 36525 d what is the
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a circular loop in the plane of the paper lies in a 063 t magnetic field pointing into the paperwhat is the magnitude
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