A Long Thin Rod of Length 2L Rotates with a Constant

question 49

Multiple Choice

A long thin rod of length 2L rotates with a constant angular acceleration of 8.0 rad/s2 about an axis that is perpendicular to the rod and passes through its center.
-What is the ratio of the angular speed (at any instant) of a point on the end of the rod to that of a point a distance L/2 from the end of the rod?

• A)1:1
• B)1:2
• C)2:1
• D)4:1
• E)1:4

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Definitions:

Monopolistically Competitive Firm

A company that operates in a market with many competitors, each offering products that are similar but not perfect substitutes, allowing for some degree of market power in setting prices.

Market Price

The present cost at which a service or asset is available for purchase or sale.

P > MC

Indicates a situation where the price (P) of a good is greater than the marginal cost (MC) of producing it, suggesting the potential for economic profits.

Short Run

A time period in economics during which at least one factor of production is fixed, limiting the ability of the business to adjust to market changes fully.