A Tiny Vibrating Source Sends Waves Uniformly in All Directions

question 7

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 o /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:

Cost of Goods Sold

Directly related costs of producing the merchandise sold by a company, which cover materials and labor.

Job-Order Costing System

An accounting system that assigns costs to specific jobs or batches of goods, typically used in customized or non-uniform manufacturing processes.

Overapplied

A situation where the allocated overhead cost in a costing system exceeds the actual overhead costs incurred.

Underapplied

A situation where the applied cost in accounting is less than the actual cost incurred.