Author Question: An astronaut traveling with a speed v = 0.90 c holds a meterstick in his hand. If he measures its ... (Read 109 times)

KWilfred

  • Hero Member
  • *****
  • Posts: 570
An astronaut traveling with a speed v = 0.90 c holds a meterstick in his hand. If he measures its length, he will obtain a value of
 a. 1.0 m
  b. 2.3 m
  c. 0.19 m
  d. 0.43 m
  e. 0.81 m

Question 2

A starship navigator measures the distance between the Earth and the sun. If the ship is moving at a speed of 0.90 c, instead of obtaining 93 million miles, the navigator measures a distance (in millions of miles) of
 a. 41.
  b. 30.
  c. 80.
  d. 215.
  e. 90.



braelync

  • Sr. Member
  • ****
  • Posts: 350
Answer to Question 1

A

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Did you know?

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

For a complete list of videos, visit our video library