In an Elastic Collision of Two Objects

question 91

Multiple Choice

In an elastic collision of two objects,

• A)momentum is not conserved.
• B)momentum is conserved,and the kinetic energy after the collision is less than its value before the collision.
• C)momentum is conserved,and the kinetic energy after the collision is the same as the kinetic energy before the collision.
• D)momentum is not conserved,and the kinetic energy of the system after the collision differs from the kinetic energy of the system before the collision.
• E)the kinetic energy of the system after the collision depends on the masses of the objects.

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Definitions:

Vagus

A cranial nerve that is responsible for various functions including heart rate, digestion, and regulation of several physiological processes.

Obturator

Refers to structures, such as the obturator foramen or muscles, covering or closing an opening, specifically in the pelvis.

Phrenic

Pertaining to the diaphragm, such as the phrenic nerve which controls the diaphragm muscle, thus playing a vital role in the breathing process.

Brachial Plexus

A network of nerve fibers that runs from the spine, through the neck, to the axilla, and innervates the upper limb.