A Very Small 100-G Object Is Attached to One End

question 15

Multiple Choice

A very small 100-g object is attached to one end of a massless 10-cm rod that is pivoted without friction about the opposite end. The rod is held vertical, with the object at the top, and released, allowing the rod to swing. What is the speed of the object at the instant that the rod is horizontal?

• A) 0.71 m/s
• B) 4.0 m/s
• C) 1.4 m/s
• D) 2.8 m/s
• E) 2.8 m/s

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Definitions:

Stratum Spinosum

A layer of the epidermis situated just above the basal layer, known for its spiny appearance under a microscope.

Stratum Basale

The deepest layer of the epidermis, responsible for generating new skin cells.

Stratum Granulosum

A layer of the epidermis found just above the stratum spinosum, characterized by keratinocytes undergoing keratinization.

Eponychium

The small band of skin at the base of the fingernail or toenail, also known as the cuticle.