A Hockey Puck Slides Off the Edge of a Table

question 39

Multiple Choice

A hockey puck slides off the edge of a table with an initial velocity of 20.0 m/s. The height of the table above the ground is 2.0 m. What is the magnitude of the velocity of the puck just before it touches the ground?

• A) 21 m/s
• B) 22 m/s
• C) 24 m/s
• D) 25 m/s
• E) 6.3 m/s

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Definitions:

Type O

A blood type in the ABO blood group system characterized by the absence of A and B antigens on red cells and the presence of anti-A and anti-B antibodies in the plasma.

Anterior Pituitary

The front portion of the pituitary gland, which secretes hormones regulating a variety of physiological processes including stress, growth, and reproduction.

Embryonic Origin

Refers to the initial stage of development in multicellular organisms, from which all tissues and organs develop.

Epithelium

One of the four primary tissue types. Nipple refers to the tiny capillary-containing connective tissue in the lips, which is where the term was first used. The use of the term was later expanded to include all covering and lining surfaces of the body.