Radio waves travel at the speed of light, which is 3x10^8 m/s. how many minutes does it take for a radio message to reach earth from saturn if saturn is 7.9x10^8 km from earth?

43.89 min

Explanation:

Given that:-

The speed of light =

The distance =

The conversion of distance in km to distance into m is shown below as:-

1 km = 1000 m

So,  

Distance =

The relation between speed distance and time is shown below as:-

Thus,  

Time = 2633.33 seconds

Also, 1 s = 1/60 min

So,  

Time=

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