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:

Elimination Half-life

The time required for the concentration or amount of a substance in the body to be reduced by half its initial value, important in understanding drug metabolism.

Therapeutic Half-life

Describes the duration required for the concentration or effectiveness of a drug in the body to reduce to half of its starting dose in the context of pharmacotherapy.

Distribution Half-life

The time it takes for a drug’s concentration to be reduced by half in the body’s tissues after it has been absorbed into the bloodstream, indicating the drug’s dispersion rate.

Glutamate

An important neurotransmitter in the brain, involved in learning, memory, and the regulation of the nervous system.