A Sphere Is Dropped from a Great Height and When

question 1

Multiple Choice

A sphere is dropped from a great height and when its speed reaches 20 m/s,its acceleration downward is 8.4 m/s².If the drag force is proportional to the square of the speed,what will be its acceleration downward when its speed reached 40 m/s?

• A) 2.6 m/s²
• B) 4.2 m/s²
• C) 8.0 m/s²
• D) 0 m/s² because it has now reached terminal velocity.

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Definitions:

Odds Ratio

A measure of association between an exposure and an outcome, representing the odds that an outcome will occur given a particular exposure, compared to the odds of the outcome occurring in the absence of that exposure.

Student Government Elections

A democratic process in educational institutions where students vote to elect representatives for their student body.

Male Students

Male individuals who are enrolled in and attend educational institutions.

Odds

The relationship between the chance of an event taking place and the chance of it not taking place.