Standing Waves on a String: a Platinum Wire That Is

question 26

Multiple Choice

Standing waves on a string: A platinum wire that is 1.20 m long has a radius of 0.500 mm and is fixed at both ends. In its third harmonic it vibrates at 512 Hz. The density of platinum is 21.4 × 10³ kg/m³. What is the tension in the wire?

• A) 4.00 kN
• B) 2.00 kN
• C) 2.82 kN
• D) 1.41 kN
• E) 1.00 kN

Distinguish between true ribs, false ribs, and floating ribs in the thoracic cage.

Comprehend the development and significance of fontanels in the human skull.

Understand the role and structure of the sternum in relation to the ribs and clavicle.

Describe the composition and function of the thoracic cage, including its vertebrae and rib attachments.

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Definitions:

Control Charts

Statistical tools used in quality control to monitor, control, and improve the process performance over time by plotting data points in time order.

Lower Control Limit

A statistical measure used in process control, representing the lowest acceptable boundary of process variation for quality assurance.

Upper Control Limit

In quality control, it represents the highest value on a control chart that a process variable can reach before it is considered to signal potential loss of control, necessitating investigation.

Acceptance Sampling

A statistical quality control method where a random sample of items from a lot is inspected to decide if the entire lot should be accepted or rejected.