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A 1 000-kg vehicle is moving in the positive y-direction along the y-axis at 10 m/s.A 2 000-kg vehicle is moving in the positive x-direction at along the x-axis at 20 m/s.The vehicles collide and stick together.They move as a single object in a direction θ as measured counterclockwise from the x-axis immediately after the collision.What is the value of tan θ?
Precipitous Labor
Labor that progresses very quickly, often resulting in childbirth in less than three hours from the onset of contractions.
Contractions
The tightening and shortening of muscles, often referring to those of the uterus during labor.
Fetal Presentation
The position a fetus is in, in relation to the birth canal, during delivery. Common presentations include cephalic (head first), breech (feet or buttocks first), and shoulder.
Vertex
The highest point; in obstetrics, it refers to the top portion of the baby's head as it presents in the birth canal.
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