A Solid Disk Is Rolling Without Slipping Along a Horizontal

question 92

Multiple Choice

A solid disk is rolling without slipping along a horizontal surface with a speed of 4.50 m/s when it starts up a ramp that makes an angle of 25.0° with the horizontal. What is the speed of the disk after it has rolled 3.00 m up the ramp?

• A) 4.01 m/s
• B) 1.92 m/s
• C) 2.06 m/s
• D) 6.79 m/s
• E) 8.02 m/s

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Definitions:

Optimal Area

The most advantageous or efficient region or point for a specific activity or condition.

Public Good

A non-excludable and non-rivalrous good that can be consumed by everyone, such as national defense or public parks.

Nonexclusive

A term usually related to goods or services, indicating that they cannot be withheld from individuals who don't pay for them.

Marginal Social Cost

The total cost to society, including both private and external costs, of producing one additional unit of a good or service.