A Car on a Roller Coaster Starts at Zero Speed

question 43

Multiple Choice

A car on a roller coaster starts at zero speed at an elevation above the ground of 26 m. It coasts down a slope, and then climbs a hill. The top of the hill is at an elevation of 16 m. What is the speed of the car at the top of the hill? Neglect any frictional effects.

• A) 14 m/s
• B) 18 m/s
• C) 10 m/s
• D) 9.0 m/s
• E) 6.0 m/s

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Definitions:

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