A Racquetball Strikes a Wall with a Speed of 30

question 35

Multiple Choice

A racquetball strikes a wall with a speed of 30 m/s and rebounds with a speed of 26 m/s.The collision takes 20 ms.What is the average acceleration of the ball during the collision?

• A)zero
• B)200 m/s²
• C)2800 m/s²
• D)1500 m/s²
• E)1300 m/s²

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Definitions:

Basilar Membrane

A membrane in the cochlea of the inner ear, playing a critical role in sound vibration analysis and hearing.

Sound Wave Amplitude

The height of a sound wave, determining the loudness or intensity of the sound perceived.

Action Potentials

Rapid changes in the electrical charge of a neuron's membrane, allowing the transmission of nerve signals.

Hair Cells

Sensory cells found in the inner ear that convert sound waves into electrical signals that can be interpreted by the brain.