If a Satellite Moves with Constant Speed in a Perfectly

question 58

Multiple Choice

If a satellite moves with constant speed in a perfectly circular orbit around the earth,what is the direction of the acceleration of the satellite?

• A)in the forward direction
• B)in the backward direction
• C)outward away from the earth
• D)inward toward the earth
• E)The acceleration is zero because the speed is constant.

---

Definitions:

Random Samples

The selection of a subset of individuals from a larger set where each member of the subset has an equal probability of being chosen. This ensures that the sample represents the overall population.

Homogeneous

Composed of parts or elements that are all of the same kind; not heterogeneous.

Representative

Serving as a typical example of a group or category of things; in statistics, it refers to a sample that accurately reflects the characteristics of the larger population.

Correlation

A statistical measure that indicates the extent to which two or more variables fluctuate together.