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> 滑雪运动员依靠手中的撑杆用力往后推地，获得向前的动力，一运动员的质量为60kg撑杆对地面向后的平均水平作用力是300N，不计摩擦阻力，力的持续作用时间是0.4s，两次用力时间间隔为0.2s，若运动员从静止开始做直线运动，求1s内的位移是多少？

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发布时间：2024-09-12

滑雪运动员依靠手中的撑杆用力往后推地，获得向前的动力，一运动员的质量为60kg撑杆对地面向后的平均水平作用力是300N，不计摩擦阻力，力的持续作用时间是0.4s，两次用力时间间隔为0.2s，若运动员从静止开始做直线运动，求1s内的位移是多少？

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