An Object Is Constrained by a Cord to Move in a Circular

question 1

Multiple Choice

An object is constrained by a cord to move in a circular path of radius 0.5m on a horizontal frictionless surface. The cord will break if its tension exceeds 16N. The maximum kinetic energy of the object can have is:

• A) 4 J
• B) 8 J
• C) 16 J
• D) 32 J
• E) 64 J

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Definitions:

Frequency-Dependent Selection

An evolutionary process by which the fitness of a phenotype depends on its frequency relative to other phenotypes in a given population.

Soapberry Bug

A species of beetle that has been widely studied as an example of rapid evolutionary change in response to changes in its environment, specifically in the types of plants it feeds on.

Beaks

The hard, external, projecting jaws of birds, made of keratin, that are adapted to their feeding habits.

Vertically Transmitted Endosymbionts

Microorganisms that are passed from parent organisms to their offspring through the germline, often providing mutual benefits.