Question:
4 A roller coaster reaches the top of the steepest hill with
Last updated: 6/15/2023
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4 A roller coaster reaches the top of the steepest hill with a speed of 6 80 km h It then descends the hill which is at an average angle of 40 and is 54 0 m long What will its speed be when it reaches the bottom Assume HK 0 20 m s