Chrissy2022 Chrissy2022

12-12-2018
Physics

contestada

A race car starting from rest accelerates uniformly at a rare of 4.90 meters per second^2. What is the cars speed after it has traveled 200 meters?

Respuesta :

georgestirban georgestirban

21-12-2018

From the law of Galileo Galilei :v²=v₀²+2ad we take the speed

v²=0+2*4.90*200=1960=>v=√1960=44.27 m/s

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