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

Author Question: Two charges Q1 = -3 C and Q2 = +3 C are located on the y-axis at y1 = -5 cm and y2 = +5 cm ... (Read 127 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
Two charges Q1 = -3 C and Q2 = +3 C are located on the y-axis at y1 = -5 cm and y2 = +5 cm respectively. A third charge Q3 = +24 C is added on the y-axis so that the electric field at the origin is equal to zero.
 
  What is the position of Q3? A)
 
  y3 = -12 cm
  B)
 
  y3 = 0 cm
  C)
 
  y3 = +5 cm
  D)
 
  y3 = +10 cm
  E)
 
  y3 = -10 cm

Question 2

Suppose one twin takes a ride in a space ship traveling at a very high speed to a distant star and back again, while the other twin remains on Earth. The twin that remained on Earth predicts that the astronaut twin is
 
  A)
 
  younger.
  B)
 
  the same age.
  C)
 
  older.
  D)
 
  cannot be determined from the given information



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

k2629

  • Sr. Member
  • ****
  • Posts: 357
Answer to Question 1

E

Answer to Question 2

A





 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

For a complete list of videos, visit our video library