An Object Drops in Free Fall

question 68

Multiple Choice

An object drops in free fall. At one instant it is moving at a speed of 50 meters per second. Exactly one second later its speed is about

• A)10 m/s.
• B)50 m/s.
• C)60 m/s.
• D)100 m/s.
• This is because
• E)no net force acts on the object while in its state of free fall.
• F)it gains a speed of about 10 m/s for each second of fall.
• G)its velocity nearly doubles each second.

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Definitions:

Habituation

the process by which an individual becomes accustomed to a stimulus after repeated exposure, leading to a decrease in their response.

Pay Less Attention

Act of giving reduced focus or importance to something, potentially leading to overlooking or ignoring it.

Indeterminate Cleavage

Type of cleavage characteristic of deuterostomes; during early cleavage each cell has the potential of developing into a complete embryo. Compare with determinate cleavage.

Deuterostomes

A major lineage of animals characterized by embryonic development where the anus forms before the mouth, including vertebrates and several other phyla.