A Hockey Puck Slides Off the Edge of a Table

question 72

Multiple Choice

A hockey puck slides off the edge of a table with an initial velocity of 28.0 m/s. The height of the table 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?

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

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Definitions:

Inferior Rectus

A muscle in the eye that controls downward movement of the eyeball.

Superior Rectus

A muscle in the human eye, which is responsible for elevating the eye and turning it inward.

Orbicularis Oris

The orbicularis oris is a complex of muscles in the lip area that encircles the mouth, responsible for lip movements such as closing, puckering, and shaping during speech and eating.

Teres Major

A muscle of the upper limb that assists in the adduction and medial rotation of the arm.