Examlex
A whistle produces sound of frequency of 1.00 kHz.If a listener moves with a speed of 30 m/s away from the whistle,what frequency does this person hear if the sound speed is 340 m/s?
Concept
A mental representation of a category, object, or idea that helps in understanding and categorizing the world.
Algorithm
A step-by-step procedure or formula for solving a problem or completing a task.
Prototype
A prototype is an original model or preliminary version of a product from which other forms are developed or copied, often used in the design and testing phases of product development.
Basic Concepts
Concepts that have a moderate number of instances and that are easier to acquire than those having few or many instances.
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