Author Question: An astronaut traveling with a speed v = 0.90c holds a meterstick in his hand. If he measures its ... (Read 55 times)

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
An astronaut traveling with a speed v = 0.90c 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 0.90c, 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.



ankilker

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Mr3Hunna

  • Hero Member
  • *****
  • Posts: 536
Both answers were spot on, thank you once again




 

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

For a complete list of videos, visit our video library