Multiple Choice
Assuming a neutron star is as dense as an atomic nucleus and there are 7.1 * 1056 nucleons (almost entirely neutrons) ,estimate the diameter of this neutron star.
A) 15 km
B) 25 km
C) 20 km
D) 10 km
E) 5 km
Correct Answer:

Verified
Correct Answer:
Verified
Q59: The fusion reaction: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1516/.jpg" alt="The fusion
Q60: What is the decay constant for <sup>14</sup>C?
Q61: A certain radioactive isotope decays to one
Q62: Consider the following fusion reaction <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1516/.jpg"
Q63: 3.25 mole of a radioactive isotope with
Q65: Which isotope of carbon is the most
Q66: In a <span class="ql-formula" data-value="\beta"><span
Q67: A certain radioactive isotope has a lifetime
Q68: A drug containing <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB1516/.jpg" alt="
Q69: Element X decays to element Y via