Introduction To Health Physics
Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
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Chapter 4, Problem 4.24P
To determine

The mass of  90Y when in equilibrium with 10 mg of 90Sr .

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Nuclear matter is extremely dense. (a) Calculate the density, in kg/m³, of A neutrons in a sphere of radius r = ro 4¹/3, where ro = 1.2 x 10-¹5 m. (b) Find the diameter of a sphere of nuclear matter that would have the same mass as the earth. The average radius of the earth is 6.4 x 106 m and the average density of the earth is 5.5 x 10³ kg/m³.
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