Answer:
21560 J
Explanation:
Work = mg*h = 1100*9.8*2 = 21560 J
they are the lithosphere (land), hydrosphere (water), biosphere (living things), and atmosphere (air).
Answer:
t=2s
Explanation:
The definition of power is:

And the work-energy theorem states that:

Since the movement starts from rest, we have that:

And putting all together:

Since we want the time taken:

Which for our values is:
