The Moment of Inertia of a Certain Wheel About Its

question 86

Multiple Choice

The moment of inertia of a certain wheel about its axle is mR². The translational speed of its axle after it starts from rest and rolls without slipping down an inclined plane 2.13 m high is

• A) 9.75 m/s
• B) 8.53 m/s
• C) 7.31 m/s
• D) 6.10 m/s
• E) 4.88 m/s

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Definitions:

Cleavage

In geology, the tendency of a mineral to break along flat, parallel surfaces determined by its crystal structure.

Hornfels

A hard, fine-grained metamorphic rock formed by the contact metamorphism of clay-rich or silicate rocks.

Thrust Fault

A type of fault in which the upper block, above the fault plane, moves up and over the lower block.

Anticline

A type of fold in sedimentary rocks that resembles an arch, with the oldest rock layers at its core, indicative of compressional tectonic forces.