What is the round-trip travel time of light from Earth to Neptune (at a distance of...

What is the round-trip travel time of light from Earth to Neptune (at a distance of 30 AU)? How far would a spacecraft orbiting the planet at a speed of 0.5 km/s travel during that time?

How far would a spacecraft orbiting the planet at a speed of 0.5 km/skm/s travel during that time?

Solutions

Expert Solution

Answer 1 Hour minutes
Answer 2 Km

Solution 1

m
m
m

We know ,
Distance (s) = Speed (v) * Time (t)
When the particle is moving with a uniform speed.
Here , light travels in vacuum which is uniform speed i.e m/s

Hence




Therefore the round trip travel time for a light from Earth to Neptune is s
minutes
Hour minutes

Solution 2

Now , the speed of a space craft(v)= Km/s

Therefore the space craft orbiting the planet at adistance of 15000 Km.

genius_generous answered 1 year ago

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