本题目来源于试卷: gc physics textbook chapter 4 problems，类别为 通用国际物理
[问答题]
On an icy day, you worry avizei6(8 )hi0ud sx8fxfqe, +bout parking your car in your driveway, whichd-2sjh;ur*(*vta0a 9ha5 n j wk*yvgf has an incline of 12*rjafv*jw h* -0tyua vnh9 da2(g5 sk;$^{\circ}$ . Your neighbor's driveway has an incline of 9.0$^{\circ}$ , and the driveway across the street is at 6.0$^{\circ}$ . The coefficient of static friction between tire rubber and ice is 0.15 . Which driveway(s) will be safe to park in?
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