How many hours are required for a radio signal from a space probe near the planet Pluto, 5.97 × 109 km away, to reach Earth? Assume that the radio signal travels at the speed of light, 3.00 × 108 m/s.

Answer 1

rate x time = distance

time = distance/rate

time = (5.97 x 10^9km)/(3.00 x 10^8 m/sec) = (5.97 x 10^9km)/(3.00 x 10^5 km/sec) = ?

Solve this. I have converted the m to km for you already. Answer will be in seconds.