图示为一简谐横波在某时刻的波形图,已知波速为2.4m/s,试问:(1)此简谐横波的周期为
图示为一简谐横波在某时刻的波形图,已知波速为2.4m/s,试问:(1)此简谐横波的周期为多少?(2)在2s时间内这列横波向前传播了多少距离?
↑ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ
10 |
|
|
0 |ˉˉ0.3ˉ0.6ˉ0.9ˉ1.2ˉˉˉˉˉˉ
-10ˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉˉ
经过10 0.3 0.9 曲线!10开始向下连到0.3 然后绕过0.
人气:394 ℃ 时间:2020-05-01 05:40:04
解答
(1).0.9=(3/4)倍波长,波长=1.2,周期=波长/波速=1.2/2.4=0.5(s)
(2)在2s时间内这列横波向前传播的距离= 波速*时间=2.4*2=4.8(m)
推荐
猜你喜欢
- 面积及周长公式```
- 《简 爱》的英文梗概,80-100词.
- 1)已知角a是第三象限角,那么2a所在象限?
- 用一个边长为4cm的正方形折叠围成个四棱柱的侧面,该四棱柱底面为正方形,则此正方形边长为多少厘米?
- 怎样写初中的个人总结或自我鉴定,最好有范文,
- 用no,have,breakfast,to,i,time,have 造句
- Mary,there aren't any vegetables at home.Can you go to the shop and ( ) some?
- she must have gone to sleep ane ___about me and the dog.为什么填forgotten