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 118 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 U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library