Answer
$10Km$
Work Step by Step
We can find the required radius as follows:
$V=\frac{m}{\rho}=\frac{4}{3}\pi r^3$
$r=(\frac{3m}{4\pi \rho})^{\frac{1}{3}}$
$r=[\frac{3(0.50)(2.00\times 10^{30})}{4\pi(2.3\times 10^{17})}]^{\frac{1}{3}}$
$r=10Km$
Physics Technology Update (4th Edition)
by Walker, James S.
Published by
Pearson
ISBN 10:
0-32190-308-0
ISBN 13:
978-0-32190-308-2
Chapter 32 - Nuclear Physics and Nuclear Radiation - Problems and Conceptual Exercises - Page 1155: 80
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