This topic contains a solution. Click here to go to the answer

Author Question: Ernest Rutherford's experiments in which alpha rays pass through a thin piece of metal foil ... (Read 130 times)

naturalchemist

  • Hero Member
  • *****
  • Posts: 542
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.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryansturges

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

C

Answer to Question 2

E





 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

For a complete list of videos, visit our video library