On average out of every 1000 newborn babies, one to two will suffer from a condition known as pyloric stenosis. This is characterized by a narrowing of the opening between the stomach and small intestine. One of the symptoms of this condition can be extremely forceful vomiting after feeding, known as "projectile vomiting" (see photo). The condition can usually be treated by opening the gastri outlet through laparoscopic surgery, and once corrected, it rarely causes any long-term side effects. Imagine an infant is sitting uprigh so that his mouth is 41 cm above the floor. He suddenly vomits horizontally with it landing 1.2 m on the floor in front of him. As the name suggests, treat the vomit as a projectile and calculate the velocity at which it leaves his mouth.

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On average out of every 1000 newborn babies, one to two will suffer from a condition known as pyloric stenosis. This is characterized
by a narrowing of the opening between the stomach and small intestine. One of the symptoms of this condition can be extremely
forceful vomiting after feeding, known as "projectile vomiting" (see photo). The condition can usually be treated by opening the gastric
outlet through laparoscopic surgery, and once corrected, it rarely causes any long-term side effects. Imagine an infant is sitting upright,
so that his mouth is 41 cm above the floor. He suddenly vomits horizontally with it landing 1.2 m on the floor in front of him. As the
name suggests, treat the vomit as a projectile and calculate the velocity at which it leaves his mouth.
Source: John D. Cutnell
Projectile vomit
Esophagus
Stomach
Pyloric stenosis
0.41 m
20
1.2 m
Transcribed Image Text:On average out of every 1000 newborn babies, one to two will suffer from a condition known as pyloric stenosis. This is characterized by a narrowing of the opening between the stomach and small intestine. One of the symptoms of this condition can be extremely forceful vomiting after feeding, known as "projectile vomiting" (see photo). The condition can usually be treated by opening the gastric outlet through laparoscopic surgery, and once corrected, it rarely causes any long-term side effects. Imagine an infant is sitting upright, so that his mouth is 41 cm above the floor. He suddenly vomits horizontally with it landing 1.2 m on the floor in front of him. As the name suggests, treat the vomit as a projectile and calculate the velocity at which it leaves his mouth. Source: John D. Cutnell Projectile vomit Esophagus Stomach Pyloric stenosis 0.41 m 20 1.2 m
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