试题与答案

打点计时器1秒种振针能上下振动50次,如图所示,甲乙为用打点计时器测物体运动的时

题型:问答题

题目:

打点计时器1秒种振针能上下振动50次,如图所示,甲乙为用打点计时器测物体运动的时间,打出的两条纸带:

(1)打点计时器每打两个点的时间是______秒;

(2)乙纸带从b点到e点所花的时间是______秒;

(3)在甲纸带中从c点到达f点和乙纸带中c点到达f点所用的时间是______(选填“相同的”或“不同的”)

答案:

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