J. J. Thomson's experiments with a type of invisible beam known ...

[krzymel]

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]

Answer to Question 1

C

Answer to Question 2

Answer: B