Author Question: In which of the following cases is the displacement's magnitude half the distance traveled? a. 10 ... (Read 31 times)

Themember4

  • Hero Member
  • *****
  • Posts: 538
In which of the following cases is the displacement's magnitude half the distance traveled?
 a. 10 steps east followed by 3 steps west
  c. 5 steps east followed by 10 steps west
  b. 22 steps east followed by 11 steps west
  d. 15 steps east followed by 5 steps west

Question 2

When NASA was communicating with astronauts on the Moon, the time from sending on the Earth to receiving on the moon was 1.33 s. Find the distance from Earth to the Moon. (The speed of radio waves is 3.00  108 m/s.)
 a. 240,000 km
  c. 399,000 km
  b. 384,000 km
  d. 768,000 km



rosiehomeworddo

  • Sr. Member
  • ****
  • Posts: 306
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

For a complete list of videos, visit our video library