Answer:
The Moon does not fall towards Earth right now because Earth rotates itself. The energy from the Earth's own rotation around its axis is gradually tranferred into energy of the Moon's orbital motion. That's why the Earth's rotating speed decreases but the distance to the Moon increases.
Answer:
direct current
Explanation:
it has a direct path to go down to reach the specific point
Answer:
So the repulsive force between the pith ball will be 
Explanation:
We have given that the pith ball have the equal charge q = -40 nC =
Distance between the charges = 10 cm =0.1 m
According to coulombs law 

So the repulsive force between the pith ball will be 
Answer:
can you switch up your language please
Answer:
A physical change
Explanation:
it is temporary and does not change the chemical structure