Answer:
the one above the surface of earth
Explanation:
earth has gravity the ball of the moon would float away
We know, Potential Energy = m * g * h
Here, mass & gravity would be same, but their height will change so it will be:
ΔU = U₂ - U₁
ΔU = mgh₂ - mgh₁
ΔU = mg (h₂ - h₁)
Hope this helps!
Answer:
Ratio of distance to displacement is pi/2
Explanation:
Pls see attached file for diagram and explanation
When light goes from one medium to another, it changes angle. This is why it will look bent.