[填空题]
A car can decelerate at -4rk(b pnja4;11xsm ko2.c;deucxvy )070ef2qlac n8+ vpk6y 7w 80 $\mathrm{~m} / \mathrm{s}^{2}$ without skidding when coming to rest on a level road. What would its deceleration be if the road were inclined at 13$^{\circ} $ uphill? Assume the same static friction coefficient.