A roller coaster car relies solely on gravitational potential energy to travel along a track. Which engineering modification will most effectively maximize the maximum speed of the car at its lowest point?

Question

A roller coaster car relies solely on gravitational potential energy to travel along a track. Which engineering modification will most effectively maximize the maximum speed of the car at its lowest point? — Exam MCQ

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B. Increasing the starting elevation of the first hill — The correct choice is Increasing the starting elevation of the first hill. The result follows from gravitational force or gravitational potential energy, depending on the situation.

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A. Decreasing the structural mass of the loaded car

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C. Introducing a secondary hill of equivalent height

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D. Replacing the underlying track with wider rails

A roller coaster car relies solely on gravitational potential energy to travel along a track. Which engineering modification will most effectively maximize the maximum speed of the car at its lowest point?

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