Connect with a global community of knowledgeable individuals on IDNLearn.com. Discover the information you need quickly and easily with our reliable and thorough Q&A platform.

A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 7.88 ✕ 107 km. Radio waves travel at the speed of light (3.00 ✕ 108 m/s). How many seconds does it take for the signal to reach the Earth?

Sagot :