Author Question: J. J. Thomson's experiments with a type of invisible beam known as a cathode ray demonstrated that ... (Read 74 times)

krzymel

  • Hero Member
  • *****
  • Posts: 548
J. J. Thomson's experiments with a type of invisible beam known as a cathode ray demonstrated that
 
  A) the atom contains a tiny nucleus containing most of the atom's mass.
  B) light is a wave.
  C) electrons exist.
  D) neutrons exist.
  E) light is made of particles.

Question 2

A constant net force on a railroad car produces constant
 
  A) velocity.
  B) acceleration.
  C) both of these
  D) neither of these



akemokai

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

C

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

For a complete list of videos, visit our video library