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汽车比赛是一项精彩的体育项目,特别引人注日。凡细心观看比赛的人都知道,赛车作九十度转弯时驾驶员总是选择外道,而一百八十度转弯时却又走内道。这是为什么呢?就这个问题谈一下个人的粗浅认识. 九十度转弯 1.走外道当赛车沿外道(半径为r_0的1/4圆周)作九十度转弯时,如
Car racing is a wonderful sport and is particularly appealing. Anyone who watches the game carefully knows that when the car makes a ninety-degree turn, the driver always selects the outer lane while the one hundred and eighty degree turn takes the inner lane. Talking about this issue about personal superficial understanding. Ninety degree turn 1. Walking outside When the car makes a ninety degree turn along the outer lane (a quarter of a radius of r_0)