The Angular Speed of the Hour Hand of a Clock

question 12

Multiple Choice

The angular speed of the hour hand of a clock, in rad/min, is

• A) .
• B) .
• C) .
• D)π.
• E)120π.

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Definitions:

Subduction

The process by which one tectonic plate moves under another plate and into the mantle, often associated with volcanic activity.

Mudcracks

Patterns of cracks formed by the drying of mud, indicative of alternating wet and dry conditions, found in both modern and ancient sediments.

Cross Beds

Layers of rock that are inclined relative to the horizontal surface, typically formed by wind or water currents.

Fossils

The preserved remains, impressions, or traces of once-living organisms from a past geological age, embedded and preserved in sedimentary rocks.