Answer:
20 seconds
Explanation:
The equation for Power is:

Which means...

We can plug in the given values into the equation:


Answer:
we need to know what the choices are?
Explanation:
X2 = 60
/ 2 / 2
x = 30
Plus or minus square root 60
The water was heavier since it was more concentrated
Explanation:
Light rays that pass close to the black hole get caught and cannot escape. so what ends up happening to the light is that it starts bending due to the strong gravitational force of the black hole.