Author Question: What is the de Broglie wavelength of an electron whose kinetic energy is 1.0 eV? A) 520 nm B) ... (Read 99 times)

altibaby

  • Hero Member
  • *****
  • Posts: 562
What is the de Broglie wavelength of an electron whose kinetic energy is 1.0 eV?
 
  A) 520 nm
  B) 8.2 nm
  C) 0.64 nm
  D) 52 nm
  E) 1.2 nm

Question 2

A girl weighing 450. N sits on one end of a seesaw that is 3.0 m long and is pivoted 1.3 m from the girl. If the seesaw is just balanced when a boy sits at the opposite end, what is his weight? Neglect the weight of the seesaw.
 
  What will be an ideal response?



ankilker

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

E

Answer to Question 2

344. Newtons



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

For a complete list of videos, visit our video library