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要想跑得快,总要有几样与众不同的秘密法宝。那飞人的法宝是什么呢?极速法宝1:起强的加速度加速度,是描述物体速度改变快慢的物理量。如在同等条件下,速度改变得越快,加速度越大“砰!”随着发令枪0向,短跑运动员们就如猛兽一般向前冲去。在刚起跑后,速度就能达到很快的牙买加短跑运动员阿萨法·鲍威尔,是100米短跑的前世界记录保持者。他的加速秘密是什么呢?科学家们详细分析了鲍威尔起跑后的加速跑。结果发现,他脚蹬在地面的时间要比一般选手长1.4倍多。因为触地时间越长,它所产生的冲量就越大,所以他能够进行爆发性的加速。100米短跑的整个过程中,一般分成3个大的阶段:加速期(前0~60米)、均速期(中间60~90米)
Want to run fast, there are always a few different secret magic. Magic weapon that is it? Speed magic 1: From the acceleration of acceleration, is to describe the physical speed of the object to change the speed. If under the same conditions, the faster the speed changes, the greater the acceleration. “” With the starting pistol, the sprinters rushed forward like beasts. Asafar Powell, a Jamaican sprinter who has just reached a very fast start, is a former world record-holder of 100-meter dash. What is his acceleration secret? Scientists analyzed Powell’s acceleration run after start. The results showed that his foot on the ground longer than the average player more than 1.4 times. Because the longer the touchdown time, it imposes the greater impulse, so he can carry out explosive acceleration. The whole process of 100-meter sprint is generally divided into three major stages: acceleration (before 0 to 60 meters), average speed (60 to 90 meters in the middle)