Author Question: Is it possible, according to Einstein's relativity, for a child to be biologically older than his or ... (Read 40 times)

nevelica

  • Hero Member
  • *****
  • Posts: 563
Is it possible, according to Einstein's relativity, for a child to be biologically older than his or her parents?
 
  A) Yes, if the parents go on a long and fast trip and return to Earth.
  B) Yes, if the child goes on a long and fast trip and returns to Earth.
  C) No, because it is not possible to actually move backward through time.
  D) No, because the principles of relativity don't have anything to do with actual biological aging.
  E) No, because the relativity of time does not allow the actual order of events in time to be switched around.

Question 2

A Ferris wheel rotating at 20 rad/s slows down with a constant angular acceleration of magnitude 5.0 rad/s2. How many revolutions does it make while slowing down before coming to rest?
 
  A) 3.2 B) 40 C) 6.4 D) 20


recede

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

A

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

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