A Ball Is Thrown Up in the Air

question 33

Multiple Choice

A ball is thrown up in the air. Halfway to its maximal height, what is the net force acting on the ball? Assume that there is no air resistance.

• A)The net force is 0 N.
• B)The net force is less than its weight.
• C)The net force is greater than its weight.
• D)The net force is equal to its weight.

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Definitions:

Stable Positive Charge

An atomic or subatomic particle's constant state of having more protons than electrons, resulting in a net positive charge.

Unstable Positive Charge

Refers to a positive ion (cation) that lacks stability, often making it highly reactive and short-lived.

Glial Cells

Supportive cells in the nervous system that do not conduct nerve impulses but provide nutrition, support, and protection for neurons.

Neurons

Specialized cells in the nervous system that transmit information through electrical and chemical signals.