Author Question: When a lump of uranium is broken into smaller pieces, the total surface area A) decreases. B) ... (Read 83 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
When a lump of uranium is broken into smaller pieces, the total surface area
 
  A) decreases.
  B) remains the same.
  C) increases.

Question 2

Pulling out of a dive, the pilot of an airplane guides his plane into a vertical circle with a radius of 600 m. At the bottom of the dive, the speed of the airplane is 150 m/s. What is the apparent weight of the 70.0-kg pilot at that point?
 
  A) 3310 N
  B) 686 N
  C) 2630 N
  D) 489 N
  E) 1370 N



polinasid

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

Answer: C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
Both answers were spot on, thank you once again



polinasid

  • Sr. Member
  • ****
  • Posts: 344

 

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

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

For a complete list of videos, visit our video library