How does the mass of a giant star compare with the mass of the ...

[tnt_battle]

How does the mass of a giant star compare with the mass of the black hole it may become? How do the densities compare?
 
  What will be an ideal response?

Question 2

If a star collapses to a tenth its size, gravitation at its surface increases by
 
  A) ten.
  B) twenty.
  C) one hundred.
  D) one thousand.
  E) more than one thousand.

[fatboyy09]

Answer to Question 1

Answer: The masses are the same A black hole is a collapsed star, with its mass enormously compressed, but not increased. The density of a black hole is enormously greater, but not because of more mass, but because of less volume.

Answer to Question 2

Answer: C

[tnt_battle]

Thanks for the timely response, appreciate it

[LVPMS]

Wow, this really help