how long will it take a radio signal to reach Earth fromGanymede?
For unlimited access to Homework Help, a Homework+ subscription is required.
a) The distance to Polaris, the north star is approximate, if Polaris were to burn out today how many years will it take to see it disappear?
b) how long does it take sunlight to reach the earth?
c) how long does it take a microwave signal to travel from the earth to the moon and back?
The distance to Polaris, the North Star, is approximately 6.44 × 10 18 m. If Polaris were to burn out today, how many wars would it take to see it disappear?
How long does it take sunlight to reach Earth?
How long does it take a microwave signal to travel from Earth to the Moon and back? ( distance between the Earth and Moon is )
50. (a) The distance to Polaris, the North Star, is approximately 6.44 x 1018m. If Polaris were to burn out today, how many years would it take to see it disappear? (b) How long does it take sunlight to reach Earth? (c) How long does it take a microwave signal to travel from Earth to the Moon and back? (The distance from Earth to the Moon is 3.84 x 105km.)