A Hockey Puck Slides Off the Edge of a Horizontal

question 152

Multiple Choice

A hockey puck slides off the edge of a horizontal platform with an initial velocity of 28.0 m/shorizontally in a city where the free-fall acceleration is 9.81 m/s².The height of the platform above the ground is 2.00 m.What is the angle below the horizontal of the velocity of the puck just before it hits the ground if you ignore the effects of air?

• A)77.2°
• B)72.6°
• C)12.8°
• D)12.6°
• E)31.8°

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Definitions:

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A condition where open sores develop on the inside lining of the stomach, upper small intestine, or esophagus due to damage caused by stomach acid and pepsin.

Endoscopy

A procedure that allows a doctor to view the inside of a person's body through a thin, flexible tube with a light and camera attached to it.

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A type of bacteria that infects the stomach lining and is a major cause of ulcers.

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A medical condition wherein one part of the intestine slides into an adjacent part of the intestine, causing blockage and potential loss of blood flow.