本题目来源于试卷: newnewnewnew，类别为 IB物理学
[问答题]
(a) Show that the minimu.dv3rgorzhq(2fi 3j v:re7 gp-)l6djm /8m kf(-,vcs 8fc 4kx jin1dapstopping distance for an automobile traveling at speed v is e1i -/ (pcf,asnmd 84vkjxfck8qual to $v^{2} / 2 \mu_{\mathrm{s}} g $, where $ \mu_{\mathrm{s}}$ is the coefficient of static friction between the tires and the road, and g is the acceleration of gravity.
(b) What is this distance for a 1200$-\mathrm{kg}$ car traveling 95 $\mathrm{~km} / \mathrm{h}$ if $\mu_{\mathrm{s}}=0.75$ ?
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