Wrapping Paper Is Being Unwrapped from a 5

question 26

Multiple Choice

Wrapping paper is being unwrapped from a 5.0-cm radius tube, free to rotate on its axis.If it is pulled at the constant rate of 10 cm/s and does not slip on the tube, the angular velocity of the tube is:

• A)2.0 rad/s
• B)5.0 rad/s
• C)10 rad/s
• D)25 rad/s
• E)50 rad/s

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Definitions:

Proximal Portion

The part of a body or structure that is closest to the center or to the point of attachment.

Carbohydrates

Organic compounds, such as sugars, starches, and cellulose, that are an important source of energy for living organisms.

Amylase

is an enzyme that helps in the digestion of carbohydrates by breaking them down into sugars, found in saliva and pancreatic fluid.

Saliva

A clear liquid secreted by the salivary glands in the mouth, which helps in digestion and maintains oral hygiene.