If Y = 002 Sin (30x − 400t) (SI Units), the Angular Frequency

question 9

Multiple Choice

If y = 0.02 sin (30x − 400t) (SI units) , the angular frequency of the wave is

• A) 30 rad/s
• B) 30/2π rad/s
• C) 400/2π rad/s
• D) 400 rad/s
• E) 40/3 rad/s

---

Definitions:

Cash Receipts Journal

A financial journal used to record all cash inflows, tracking receipts from sales, loans, investments, and other sources.

Revenue Journal

A specialized accounting journal used to record the company's revenue transactions, distinguishing them from other types of financial transactions.

Accounts Payable Subsidiary Ledger

The subsidiary ledger containing the individual accounts with creditors (suppliers).

Cash Payments Journal

A business ledger that documents every cash expenditure or payment conducted by a company.