Sonar Is Used to Determine the Speed of an Object

question 67

Multiple Choice

Sonar is used to determine the speed of an object.A 40.0-kHz signal is sent out,and a 42.0-kHz signal is returned.If the speed of sound is 345 m/s,how fast is the object moving?

• A)6.9 m/s
• B)8.4 m/s
• C)331 m/s
• D)347 m/s

Understand and apply the concept of positive reinforcement to improve workplace behaviour and motivation.

Recognize the importance of self-efficacy in enhancing employee performance and motivation.

Distinguish between different learning and motivation theories such as the law of effect, reinforcement theory, and self-efficacy theory.

Identify the role and effects of vicarious modeling in learning and performance improvement.

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Definitions:

Great Depression

A severe and prolonged global economic downturn that occurred in the 1930s, marked by massive unemployment and deflation.

Laissez-Faire

The philosophy that the private economy should function without any government interference.

Classical Theory

An economic theory proposing that free markets can regulate themselves through the relationship of supply and demand without government intervention.

Interest Rate

The percentage charged on a sum of money borrowed or earned on a sum of money invested, typically expressed as an annual percentage rate.