A roller coaster is moving at 25 m/s at the bottom of a hill. Three seconds later it reaches the top of the hill moving at 8 m/s. What was the acceleration of the coaster?
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Answer:
A = V-U/T
A = 25 - 8/3
A = 17/3
A = 5.67
∴ The acceleration of the coaster = 5.67 m/s
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