Author Question: A 4.0-g string is 0.36 m long and is under tension. The string vibrates at 500 Hz in its third ... (Read 69 times)

2125004343

  • Hero Member
  • *****
  • Posts: 566
A 4.0-g string is 0.36 m long and is under tension. The string vibrates at 500 Hz in its third harmonic. What is the wavelength of the standing wave in the string?
 
  A) 0.24 m
  B) 0.36 m
  C) 0.54 m
  D) 0.72 m
  E) 0.90 m

Question 2

Two tiny particles having charges of +7.00 C and -9.00 C are placed along the y-axis. The +7.00-C particle is at y = 0.00 cm, and the other particle is at y = 40.00 cm.
 
  Where must a third charged particle be placed along the y-axis so that it does not experience any net electric force due to the other two particles?
  A) 0.200 m
  B) 2.99 m
  C) -0.187 m
  D) -2.99 m
  E) 0.187 m


jonathanballen97

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

A

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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 term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

For a complete list of videos, visit our video library