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radio signal from Luna to Terra

The satellite Luna is located 3.78 x 10^5 km from the planet Terra. How much time in seconds, does it take for a radio signal to travel from Luna to Terra?

a. 794 s
b. 1.26 s
c. 1.26 x 10 to the power of -3 s
d. 0.794 s
e 1.13 x 10 to the power of 17 s

Solution Preview

The radio signal travels with the speed of light c = 300,000 km per ...

Solution Summary

It shows how to find the time it takes for a radio signal to travel from Luna to Terra.

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