An astronaut traveling with a speed v = 0.90 c holds a meterstick ...

[KWilfred]

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]

Answer to Question 1

A

Answer to Question 2

A