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 250 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
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
  • ****
  • Posts: 327
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

For a complete list of videos, visit our video library