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How long does it take the reflected ray of light from the full moon to get to earths surface?

1.28 seconds at the moon's average distance from earth ... same as for a radio signal.


A space probe on the surface of mars sends a radio signal back to the earth, a distance of (9.03*10^7 km). Radio waves travel at the speed of light (3.00*10^8 m/s). How many seconds does it take for the signal to reach the earth?

0.301 seconds


Can you have a radio signal underground?

Yes, you can however the distance that a signal may be travel depends on the power and frequency of the signal. For signals at the same power a lower frequency signal will travel further.


What distance can a signal travel on a fiber optic cable?

100m


How many miles does light travel in 0.1 seconds?

distance = speed x time. Multiply the speed of light (in miles/second in this case) by the time in seconds, to get the distance travel in miles.


How ling does it take for light to travel from the sun to the earths surface?

For sunlight to reach the Earth's Surface is about 8 minutes and 20 seconds.


How many seconds does it take a radio signal to travel one parsec through space?

102,900,000


How long would it take the light to travel from the center of the Sun to its surface if there was no collision?

The diameter of the sun is listed as 863,705 miles.The distance from the center to the 'surface' (the radius) is half of that . . . 431,853 miles.At the speed of light in vacuum, that distance is covered in 2.32 seconds (rounded).


How long does it take for a photon to travel from the surface of the sun to Earth?

It takes about 8 minutes and 20 seconds for a photon to travel from the surface of the sun to Earth.


If a nerve signal travels to and from the brain at a speed of 30 meters per second how long would it take the signal to travel 3 meters?

It would take the signal 0.1 seconds to travel 3 metres, given the parameters that you have given.


What device enhances a signal that must travel a long distance?

what devise makes the computer send long distance messages


What is the total distance that a p-wave will travel in 7 mintues and 20 seconds?

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