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Author Question: Ernest Rutherford's experiments in which alpha rays pass through a thin piece of metal foil ... (Read 52 times)

naturalchemist

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on: Jul 29, 2018
Ernest Rutherford's experiments in which alpha rays pass through a thin piece of metal foil demonstrated that
 
  A) light is a wave.
  B) electrons exist.
  C) the atom contains a tiny nucleus containing most of the atom's mass.
  D) light is made of particles.
  E) neutrons exist.

Question 2

A crate is sliding down an inclined ramp at a constant speed of 0.55 m/s. The vector sum of all the forces acting on this crate must point
 
  A) down the ramp.
  B) up the ramp.
  C) vertically downward.
  D) perpendicular to the ramp.
  E) None of the above choices is correct.


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ryansturges

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Reply #1 on: Jul 29, 2018
Answer to Question 1

C

Answer to Question 2

E


naturalchemist

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Reply #2 on: Jul 29, 2018
TY


ryansturges

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Reply #3 on: Jul 29, 2018
You're welcome


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