The Doppler Shift of Ultrasonic Waves Can Measure the Speed

question 46

Multiple Choice

The Doppler shift of ultrasonic waves can measure the speed of blood in an artery.If the frequency of the stationary source is 100 kHz and the reflected sound has a Doppler shift of 300 Hz,what is the blood flow speed? (The speed of sound inside the body is 1500 m/s. )

• A) 1.0 m/s
• B) 1.5 m/s
• C) 2.2 m/s
• D) 3.3 m/s

Apply the concept of discount rates to determine the present value of future cash inflows and outflows.

Understand the fundamental principles of Material Requirements Planning (MRP) and its application for items with dependent demand.

Recognize the significance and application of various components of an MRP system including bills of material, time-phased product structures, and master production schedules.

Distinguish between concepts like phantom bills, planning bills, and bills of material.

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Definitions:

Operations

Activities involved in the day-to-day running of a business for the purpose of producing value for the stakeholders.

Accounts Receivable

Money owed to a company by its customers for goods or services provided on credit.

Financing Activities

Transactions and events that affect long-term liabilities and equity of an entity, reflected in the cash flow statement.

Treasury Stock

Represents shares that were previously issued but have been bought back by the company and are held in its treasury.