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:

Fowler's Position

A semi-upright sitting position used in medical settings to improve breathing and decrease pressure on the abdomen.

Headrest

An object designed to support the head, often attached to a seat or used independently for comfort and posture support.

Diagnosis

The identification of the nature and cause of an illness or other problem through the examination of symptoms and tests.

Procedure

A specific way of performing a task, especially a systematic or established one, often related to medical or technical operations.