A Planet Travels in an Elliptical Orbit About a Star

question 45

Multiple Choice

A planet travels in an elliptical orbit about a star as shown. At what pair of points is the speed of the planet the same?

• A) W and S
• B) P and T
• C) P and R
• D) Q and U
• E) Vand R

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Definitions:

Reflection

A process or transformation that maps a figure to its mirror image across a specified axis.

Compounded

The process of calculating interest on both the initial principal and the accumulated interest from previous periods.

Principal

The original amount of money on which interest is calculated.

Composition

The act of combining two functions by applying one function to the result of another.