steingirl steingirl

01-10-2016
Physics

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a car going at 30 m/s undergoes an acceleration of 2 m/(s^2) for 4 seconds. how far did it travel while accelerating?

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Аноним Аноним

01-10-2016

v=v0+at=38m/s; v^2=v0^2+2ad=>d=(v^2-v0^2)/2a=544/4=68m

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