4. Which of the following factors explains why immigrants settled in the northern states during the 1850s?

The southern states were still relying on slave labor and trading, immigrants would have not had many rights.  While Northern states started creating manufacturing centers and rapid industrialization and had many jobs.

Explanation:

we can solve this via the kinematic equation:

where the vertical velocity is zero and so:

since the height of the building is 29.3 meters then:

the ball was in motion for approximately 2.45 seconds

is there answer choices?