Question: A car on a roller coaster starts at zero speed at an elevation above the ground of 2 6 m , it coasts down a

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 6 m. What is the speed of the car at the top of the hil? Neglect ary frictional effects.

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