A Tiny Vibrating Source Sends Waves Uniformly in All Directions

question 12

Essay

A tiny vibrating source sends waves uniformly in all directions.An area of 3.25 cm² on a sphere of radius 2.50 m centered on the source receives energy at a rate of 4.20 J/s.
(a)What is the intensity of the waves at 2.50 m from the source and at 10.0 m from the source?
(b)At what rate is energy leaving the vibrating source of the waves?

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Definitions:

Deadweight Loss

The loss of economic efficiency that occurs when the equilibrium for a good or service is not achieved or is not achievable.

Monopoly

A market structure characterized by a single seller dominating the market, with no close substitutes for the product or service offered, leading to limited competition.

Average Cost

The total cost of production divided by the number of goods produced, representing the cost per unit of output.

Marginal Revenue

The additional income that is gained from selling one more unit of a product or service.