Question

a radio signal travels at 3.00 * 10^8 per second. how many seconds will it take for a radio signal to travel from a satellite to the surface of earth if the satellite is orbiting at a hieght of 3.54 * 10^7

Answer 1

Time = distance/speed, so

3.54x10^7 / 3x10^8 = 1.18x10^-1

or, 0.118 seconds