A Sculptor Strikes a Piece of Marble with a Hammer

question 23

Multiple Choice

A sculptor strikes a piece of marble with a hammer. Find the speed of sound through the marble (in km/s) . (The Young's modulus is 50 × 10⁹ N/m² and its density is 2.7 × 10³ kg/m³.)

• A) 5.1
• B) 4.3
• C) 3.5
• D) 1.3
• E) 1.8

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Definitions:

Symmetrical

Having properties of symmetry, where one side of an object or design mirrors the other side in size, shape, and position.

Conserve Quantity

The understanding that quantity does not change with physical alteration of objects, part of cognitive development in children.

Differently Shaped

Describes objects, elements, or figures that do not share the same form or outline.

Pennies

Small denominational coins used in various currencies, often representing the smallest monetary unit.