A small car of mass m and a large car of mass 4m drive along a highway at constant speed. They approach a curve of radius r. Both cars maintain the same acceleration a as they travel around the curve. How does the speed of the small car vs compare to the speed of the large car vl as they round the curve?
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Explanation:
F = mv^2 / r
F*r = mv^2
So F*r is a constant in this problem, which means:
4mvL^2 = mvs^2
4Ll^2 = vs^2
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