Assume That All of the Mass of a Bicycle Wheel

question 80

Multiple Choice

Assume that all of the mass of a bicycle wheel is concentrated at its rim.Such a wheel of mass 1.2 kg and radius 30 cm starts from rest at the top of a hill 100 m long and inclined at 20º to the horizontal.What will be the speed of the wheel at the bottom of the hill if it rolls without slipping?

• A)21 m/s
• B)26 m/s
• C)15 m/s
• D)33 m/s
• E)37 m/s

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Definitions:

Hindbrain

The posterior part of the brain comprising structures such as the cerebellum and brainstem, responsible for fundamental life functions.

Medulla

A section of the brainstem responsible for regulating vital bodily functions such as heart rate and breathing.

Neurons

Specialized cells of the nervous system that transmit information through electrical and chemical signals.

Nerve Tissues

Specialized tissues in the nervous system that transmit electrical signals throughout the body.