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Author Question: A piece of iron rests on top of a piece of wood floating in a bathtub. If the iron is removed from ... (Read 243 times)

maegan_martin

  • Hero Member
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  • Posts: 532
on: Jul 29, 2018
A piece of iron rests on top of a piece of wood floating in a bathtub. If the iron is removed from the wood, what happens to the water level in the tub?
 
  A)
 
  It goes up.
  B)
 
  It goes down.
  C)
 
  It does not change.
  D)
 
  cannot be determined from the information given

Question 2

Neptune has a radius of 2.48 107 m and an escape velocity of 23,300 m/s. What is the mass of Neptune? G = 6.67 x 10-11 Nm2/kg2.
 
  A)
 
  1.01  1026 kg
  B)
 
  2.02  1026 kg
  C)
 
  3.03  1026 kg
  D)
 
  4.04  1026 kg
  E)
 
  5.05  1026 kg


lucas dlamini

  • Sr. Member
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  • Posts: 327
Reply #1 on: Jul 29, 2018
Answer to Question 1

B

Answer to Question 2

A


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