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19 September, 12:25

As a roller coaster car starts down a slope, it's velocity is 4m/s. But 3 seconds later it's velocity is 22m/s in the same direction. What is its acceleration

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  1. 19 September, 12:41
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    Formula for acceleration = v2-v1/time

    so 22-4/3 is 6m/s^2
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