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Physics, 20.11.2020 06:10 MorgannJ

A computational model predicts the speed of a roller coaster car at different heights given its speed at the lowest height of its journey, which is at ground level. The speed at the lowest point is 30 m/s. What is the prediction for its speed when it is at a height of 20 m?(1 point) 18.8 m/s

15.9 m/s

37.5 m/s

22.5 m/

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