A Baseball Is Hit with a Bat And,as a Result,its

question 47

Multiple Choice

A baseball is hit with a bat and,as a result,its direction is completely reversed and its speed is doubled.If the actual contact with the bat lasts 0.45 s,what is the ratio of the acceleration to the original velocity?

• A)-6.7 s^-1
• B)-4.4 s^-1
• C)-2.2 s^-1
• D)-0.15 s^-1

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Definitions:

Thyroid Hormone

A hormone produced by the thyroid gland, important for regulating metabolism, energy generation, and growth and development.

Intracellular Mediator

Molecule produced within a cell that binds to a macromolecule, such as receptors or enzymes inside that cell, that regulates their activities; also called second messenger.

Target Tissue

Specific tissues or organs that are affected by specific hormones, drugs, or other signals within an organism, responding due to the presence of appropriate receptors.

Gonadotropin-releasing Hormone

A hormone responsible for the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) from the anterior pituitary.