A Basketball Player Jumps to Make a Basket,and Remains in the Air

question 71

Multiple Choice

A basketball player jumps to make a basket,and remains in the air for a moment.A sportscaster,talking about the game,then remarks that she has "defied gravity." Which of the following accurately describes the situation?

• A)The player did stay in the air in spite of the Law of Gravitation,but a single counter-observation is not enough to warrant revisiting a theory that usually works.
• B)The player produced enough force with her legs to accelerate up into the air,and gravity brought her back down with an acceleration of 9.8 m/s².
• C)The player only seemed to defy gravity,but part of the Universal Law of Gravitation makes an exception for basketball players.
• D)The player has defied gravity,so scientists must go back into the lab to refine their theory.

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Definitions:

Chest Pain

Discomfort or pain that you feel anywhere along the front of your body between your neck and upper abdomen, which can be a symptom of various health issues.

Dysrhythmia

An abnormal heart rhythm, which can be too fast, too slow, or irregular.

Electrolyte Disturbances

Imbalances in the levels of electrolytes such as sodium, potassium, and calcium in the body, which can affect various bodily functions and potentially lead to serious health issues.

Heart Damage

Physical injury to the heart muscle, which can affect its ability to pump blood effectively.