the net inward movement of air in a surface low-pressure system that causes the air mass to shrink is called

a. surface convergence.

b. surface divergence.

c. horizontal convergence.

d. horizontal divergence.

You throw a small rock straight up from the edge of a highway bridge that crosses a river. the rock passes you on its way down, 7.00 s after it was thrown. what is the speed of the rock just before it reaches the water 28.0 m below the point where the rock left your hand? ignore air resistance.