A Sewing Machine Needle Moves Up and Down in Simple

question 86

Short Answer

A sewing machine needle moves up and down in simple harmonic motion with an
amplitude of 1.27 cm and a frequency of 2.55 Hz. What are the (a) maximum speed and
(b) maximum acceleration of the tip of the needle?

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Definitions:

Immune System

A complex network of cells, tissues, and organs that work together to defend the body against infections and diseases.

Cardiovascular System

The body’s system comprised of the heart and blood vessels, responsible for circulating blood and nutrients throughout the body.

Skeletal Muscles

Muscles attached to the bones that are responsible for the movement of the human body.

Recessive

Pertaining to a gene that is masked by a dominant gene and only expressed in the phenotype when paired with another recessive gene.