A Wave Given with Amplitude a = 10 Cm Travels

question 10

Multiple Choice

A wave given with amplitude A = 10 cm travels along a cord which has two sections,one with linear density 0.1 kg/m and the other with linear density 0.2 kg/m.The wave travels along the cord from the lighter density to the heavier.If the tension in the cord is 50 N,the amplitude of the reflected wave is

• A)0.65 cm
• B)1.5 cm
• C)5.9 cm
• D)7.4 cm
• E)8.3 cm

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Definitions:

Predetermined Overhead Rate

A rate calculated to estimate the manufacturing overhead cost per unit of production activity, aiding in budgeting and cost control.

Machine-Hours

A measure of production output or activity based on the number of hours machines are operated within a specified period.

Unused Capacity

Unused capacity refers to the resources or facilities available to a company that are not currently being used to their full potential, which can impact efficiency and profitability.

Income Statement

A financial statement that shows a company's revenues and expenses over a specific period, leading to its net income or loss.