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Grade 12Modern Physics

At a given instant, a car goes around a turn of radius 30 meters with a speed of 50 km/h and an acceleration of 2 m/s2 along the turn. What is the acceleration of the car?

him sharma

12 Years agoGrade 12

1 Answer

Arun Kumar

12 Years ago

Hi

$\\\vec a=2i-v^2/rj \\=>\vec a=2\vec i-(50*5/18)^2/30\vec j \\=>\vec a=2\vec i-6.34\vec j \\=>|\vec a|=\sqrt{2^2+6.34^2} \\$

Thanks & Regards, Arun Kumar, Btech,IIT Delhi, Askiitians Faculty

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