This topic contains a solution. Click here to go to the answer

Author Question: Astronauts in a space shuttle that orbits the Earth are in a state of free fall that makes them ... (Read 78 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
Astronauts in a space shuttle that orbits the Earth are in a state of free fall that makes them appear to be weightless. If an astronaut brings a helium balloon to a pressurized room of a space shuttle while it is in orbit, what would the helium balloon do?
  1.It would float to the top of the cabin.
  2.It would sink slowly to the bottom of the cabin.
  3.It would remain wherever it is placed.
  4.It would remain at whatever height it is placed, but it would move horizontally to one side of the cabin.

Question 2

In which case would the net force due to water pressure on a solid object be greater?
 
   (i) when the object is in water at 100-meter depth
   (ii) when the object is in water at 200-meter depth


   
  1.(i)
  2.(ii)
  3.Choices (i) and (ii) would have the same net force due to the water on them.
  4.It depends on the orientation of the object.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

tanna.moeller

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

3

Answer to Question 2

3





 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

For a complete list of videos, visit our video library