Mission Control sends a brief wake-up call to astronauts
Chapter , Problem 23(choose chapter or problem)
Mission Control sends a brief wake-up call to astronauts in a spaceship that is far from Earth. At a time after the call is sent, Mission Control can hear the groans of the astronauts. How far from Earth is the spaceship? (a) (b) (c) (d) (e) The spaceship is on the moon.
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