Answer:
Total time= 2.56 s
Explanation:
Given that

So distance = 386242560 m
Velocity of light

We know that
Distance = velocity x time
Now by putting then values

t=1.28 s
So the total time = 2 x 1.28
total time= 2.56 s
Answer:
A. The astronaut would way somewhat less
Answer:
B. Radiowaves
Explanation:
Radiowaves are on the higher end of the spectrum, then infrared, visible light, and UV light (which is the lowest energy)
Answer:If a 5-kilogram mass is raised vertically 2 meters from the surface of the Earth, its gain in potential energy is approximately 1) 0 J 2) 10 J 3) 20 J 4) 100 J 43.
Explanation: