A Solid Uniform Disk Is Rolling Without Slipping Along a Horizontal

question 14

Multiple Choice

A solid uniform disk is rolling without slipping along a horizontal surface with a speed of 4.5 m/s when it starts up a ramp that makes an angle of 25° with the horizontal.What is the speed of the disk after it has rolled 3.0 m up as measured along the surface of the ramp?

• A)4.0 m/s
• B)1.9 m/s
• C)2.1 m/s
• D)6.8 m/s
• E)8.0 m/s

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Definitions:

Dermis

The layer of skin beneath the epidermis, containing nerve endings, sweat and sebaceous glands, and blood and lymph vessels, providing structure and elasticity.

Stratum Basale

The deepest layer of the epidermis, consisting of stem cells capable of undergoing cell division to form new cells, replenishing the skin.

The Matrix

A science fiction media franchise about a dystopian future in which reality as perceived by humans is actually a simulated reality called "the Matrix," created by sentient machines to subdue the human population.

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The portion of the nail that extends beyond the fingertip, not attached to the underlying nail bed.