A String 40

question 31

Short Answer

A string 40.0 cm long of mass 8.50 g is fixed at both ends and is under a tension of 425 N. When this string is vibrating in its third OVERTONE, you observe that it causes a nearby pipe, open at both ends, to resonate in its third HARMONIC. The speed of sound in the room is 344 m/s.
(a) How long is the pipe?
(b) What is the fundamental frequency of the pipe?

Identify the differences between depreciation, amortization, and depletion.

Understand the financial impact of disposing of assets, including recognizing gains or losses.

Recognize the importance of residual value and useful life in calculating depreciation.

Comprehend the treatment of natural resources and the concept of depletion.

---

Definitions:

Long Run

A period in economics during which all factors of production and costs are variable, allowing firms to adjust all inputs.

Deli

A short form for delicatessen, which is a store or counter specializing in prepared foods, sandwiches, and specialty groceries.

Zero Economic Profits

A condition in perfect competition where firms earn just enough revenue to cover their total costs, leading to no supernormal profit in the long term.

Monopolistically Competitive

A market structure where many firms sell products that are similar but not identical, allowing for significant brand differentiation and some control over prices.