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 the reasons behind the popularity of fundamentalism in modern societies and differentiate between fundamentalist and functionalist views on social change.

Grasp Weber's theory on the development of sects within religious movements and provide relevant examples.

Identify the unique characteristics of Hinduism compared to Christianity and Islam, especially in relation to the search for truth.

Comprehend Weber's concept of charisma and its significance in the emergence and development of new religious movements, with illustrative examples.

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