A 3-G Bullet Is Fired Horizontally into a 10-Kg Block

question 37

Multiple Choice

A 3-g bullet is fired horizontally into a 10-kg block of wood suspended by a rope from the ceiling.The block swings in an arc, rising 3 mm above its lowest position.The velocity of the bullet was:

• A)unknown since the heat generated in the collision was not given
• B)8.0 * 10² m/s
• C)24.0 m/s
• D)8.0 m/s
• E)2.4 *10⁴ m/s

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Definitions:

Legg-Calvé-Perthes Disease

A childhood condition that occurs when blood supply to the femoral head is temporarily interrupted, leading to bone death, and potentially causing hip joint problems.

Corrective Appliance

A device used to modify the structural arrangement of dental or skeletal parts, such as braces for teeth.

Desquamated Skin

Skin that is peeling or shedding off, often as a part of the natural regeneration process or due to certain skin conditions.

Sebaceous Secretions

Oily substances produced by sebaceous glands in the skin, helping to lubricate and protect the skin and hair.