Two Waves Travel Simultaneously Through the Same Medium

question 48

Multiple Choice

Two waves travel simultaneously through the same medium. The first wave is described by y₁(x,t) = Acos(kx-ωt) and the second wave by y₂(x,t) = A cos(kx-ωt + φ) . If the amplitude of the resulting superposition is A/2, what are the possible values of φ?

• A)π/6, -π/6
• B)π/3, -π/3
• C)π/8, -π/8
• D)60°, -60°
• E)π/4, -π/4

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Definitions:

Closing

The process at the end of an accounting period where all financial statements are finalized and all temporary accounts are closed to prepare for the next accounting period.

Post-closing Trial Balance

A list of all accounts and their balances after closing entries are made, serving as a check to ensure that debits equal credits and that the ledger is in balance for the new accounting period.

Capital

Refers to the financial assets or resources that individuals or businesses use to fund their operations and investments.

Closing Entries

Journal entries made at the end of an accounting period to transfer balances from temporary accounts to permanent accounts.