It would be easier to pull evacuated Magdeburg hemispheres apart if they were
A)held upside down.
B)at sea level.
C)2 km beneath the ocean surface.
D)2 km above the ocean surface.
E)none of the above

Question

Quizplus · Accepted Answer

The pressure at higher altitudes is lower than at sea level or below the ocean surface. Therefore, if the hemispheres were 2 km above the ocean surface, there would be less air pressure pushing them together, making it easier to pull them apart.

It Would Be Easier to Pull Evacuated Magdeburg Hemispheres Apart