Return to the Chapter-Opening Question, page 744, and
Chapter 26, Problem 6EF(choose chapter or problem)
Problem 6EF
Return to the Chapter-Opening Question, page 744, and answer it again now. Try to explain why you may have answered differently the first time.
CHAPTER-OPENING QUESTION---Guess now!
A rocket is headed away from Earth at a speed of 0.80c. The rocket fires a small payload at a speed of 0.70c (relative to the rocket) aimed away from Earth. How fast is the payload moving relative to Earth?
1.50c;A little less than 1.50c;A little over c;A little under c;0.75c.
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