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:

Prototype

A mental image or best example of a category. Matching new items to a prototype provides a quick and easy method for sorting items into categories (as when comparing feathered creatures to a prototypical bird, such as a robin).

Mental Grouping

The cognitive process of organizing concepts, objects, or ideas into categories based on common properties to simplify understanding and memory.

Step-by-Step

Involves breaking down information, processes, or problems into smaller, manageable parts to facilitate understanding or completion.

Belief Perseverance

Clinging to one's initial conceptions after the basis on which they were formed has been discredited.