A Block Holding a Ringing Tuning Fork Is Attached to a Wall

question 32

Multiple Choice

A block holding a ringing tuning fork is attached to a wall by a spring. The block oscillates back and forth on a horizontal, frictionless surface, with amplitude 17 cm. The spring constant is 390 N/m. An observer who is situated so that the block's direction of motion is either directly towards or away from him notes that the frequency he hears varies between 174 and 178 Hz. What is the mass of the tuning fork and block together? The speed of sound is 340 m/s.

• A) 4.4 kg
• B) 0.76 kg
• C) 0.18 kg
• D) 2.9 kg

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Definitions:

Brand-Switching

The consumer behavior of switching from using one brand to a different brand, often influenced by pricing, promotions, satisfaction levels, or curiosity.

Unaided Recall Test

A measure of memory in which respondents are asked to remember specific information without the use of any prompts or cues, often used in market research to assess brand awareness.

Jury Test

A method used in marketing research where a product, ad, or campaign is evaluated by a panel of judges or potential consumers for feedback.

Aided Recall

A market research technique where respondents are prompted with specific cues or aids to help them remember certain information or brands.