The United States is approximately 3000 mi wide as measured by people on Earth.If astronauts in a spaceship traveling at 45% the speed of light measure this distance,they will measure it to be more than 3000 mi.
Correct Answer:
Verified
Q29: Consider two synchronized,extremely accurate clocks.One clock is
Q30: In a spaceship that is approaching Earth
Q31: The star Alpha Centauri is 4.25 light
Q32: Adding heat to an object will increase
Q33: The special theory of relativity predicts that
Q35: A rocket is moving at 1/4 the
Q36: Free neutrons (unlike those in the nucleus
Q37: An astronaut is traveling in a rocket
Q38: The rest mass of a particle depends
Q39: A particle is moving at about 0.86
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents