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09-11-2017
Physics

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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

Respuesta :

09-11-2017

formula for acceleration= v2-v1/time
so 22-4/3 is 6m/s^2

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