A space ship sends a radio transmission back to earth, which is 2.75 x 109 m away. How long will this transmission take?
As you know,
"time = \\frac{distance}{speed}"
Now, Distance is given as: 2.75 x 109 m
Speed of radio waves: 3 x 108 m/s
So, time = (2.75 x 109) / (3 x 108)
= 9.16 seconds
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