Final answer:
The magazine article will likely include a description of the history of roller coasters, an explanation of the physics behind them, and testimony from roller-coaster enthusiasts.
Step-by-step explanation:
In the magazine article that follows this introduction, a description of the history of roller coasters, an explanation of the physics of roller coasters, and possibly testimony from roller-coaster enthusiasts are most likely to be included. The introduction mentions that roller coasters have been around since the 19th century and that modern roller coaster designers use physics principles to engineer the machines. This suggests that the article will provide information about the history and physics behind roller coasters. Testimony from roller-coaster enthusiasts may also be included to provide personal experiences and perspectives.
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