Mission Control Sends a Brief Wake-Up Call to Astronauts in a Distant

question 41

Multiple Choice

Mission Control sends a brief wake-up call to astronauts in a distant spaceship.Five seconds after the call is sent,Mission Control hears the waking groans of the astronauts.How far away (at most) from Earth is the spaceship?

• A)7.5 \(\times\) 10⁸ m
• B)15 \(\times\) 10⁸ m
• C)30 \(\times\) 10⁸ m
• D)45 \(\times\) 10⁸ m
• E)The spaceship is on the moon.

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