A spherical inflated balloon is submerged in a pool of water. If ...

[123654777]

A spherical inflated balloon is submerged in a pool of water. If it is further inflated so that its radius doubles, how is the buoyant force affected?
 
  A) not at all
  B) 4 times larger
  C) 2 times larger
  D) 6 times larger
  E) 8 times larger

Question 2

Compared to the velocity of a 400 Hz sound, the velocity of a 200 Hz sound through air is
 
  A) twice as great.
  B) the same.
  C) one-half as great.
  D) one-fourth as great.
  E) none of the above

[sarah_brady415]

Answer to Question 1

E

Answer to Question 2

B

[123654777]

Thank you!

[sarah_brady415]

Always glad to help...