Author Question: Light waves are A) beams of moving electrons and other charged particles. B) beams of moving ... (Read 42 times)

Haya94

  • Hero Member
  • *****
  • Posts: 558
Light waves are
 
  A) beams of moving electrons and other charged particles.
  B) beams of moving atoms.
  C) traveling disturbances in an electromagnetic field.
  D) traveling disturbances in the ether.
  E) traveling disturbances in the air.

Question 2

You throw a ball straight upward. While it is moving upward, the net force on the ball is
 
  A) in the upward direction.
  B) in the horizontal direction.
  C) directed oppositely to the acceleration.
  D) zero.
  E) in the downward direction.



Ahnyah

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

C

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

For a complete list of videos, visit our video library