An Object Hits a Wall and Bounces Back with Half

question 11

Multiple Choice

An object hits a wall and bounces back with half of its original speed.What is the ratio of the final kinetic energy to the initial kinetic energy of the object?

• A)1/2
• B)1/4
• C)1/8
• D)1/16

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Definitions:

Cane

A stick or short staff used to assist walking, often employed by individuals with injuries or mobility difficulties.

Arm Sling

A support garment for the arm, designed to immobilize and protect it during recovery from injury.

Degree Angle

A measure of angle size, represented in degrees, where one full rotation is equal to 360 degrees.

Back Injury

Physical damage or harm to the back muscles, spine, or other back structures.