Forensics — Speed from Skid Marks
Estimating vehicle speed from braking distance.
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v = \sqrt{2\mu g d}
\tfrac{1}{2}mv^2 = \mu m g d
d = \text{length of skid}
\mu = \text{road friction coefficient}
Estimating vehicle speed from braking distance.
v = \sqrt{2\mu g d}
\tfrac{1}{2}mv^2 = \mu m g d
d = \text{length of skid}
\mu = \text{road friction coefficient}