A meterstick is shot from a meterstick projector at a speed of ...

[javeds]

A meterstick is shot from a meterstick projector at a speed of 0.90 c. How long will it be relative to an observer's frame of reference?
 a. 2.3 m
  b. 0.91 m
  c. 1.0 m
  d. 0.44 m
  e. 0.81 m

Question 2

A jet plane travels around the world at 2 000 mi/hr (894 m/s). Two accurate atomic clocks measure the times of flight, one on board the plane and the second on Earth. If it takes 12 hours to complete the journey, what will the time difference (in ms) be?
 a. 0.75
  b. 0.50
  c. 0.25
  d. 1.0
  e. 0.19

[Joy Chen]

Answer to Question 1

D

Answer to Question 2

E

[javeds]

Great answer, keep it coming

[mochi09]

Thanks for the timely response, appreciate it