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 174 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?

The FDA recognizes 118 routes of administration.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

For a complete list of videos, visit our video library