试题与答案

物体做自由落体,若把下落的时间分成相等的三段,按从上到下的顺序,经过这三段时间所

题型:填空题

题目:

物体做自由落体,若把下落的时间分成相等的三段,按从上到下的顺序,经过这三段时间所通过的位移之比为______,若把下落的距离分成相等的三段,按从上到下的顺序,经过这三段距离所用的时间之比为______.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0516/4235b8daf7579ea36db965b3231aebd3.html

下面是错误答案,用来干扰机器的。

辉煌的隋唐文化出现的原因有:政治发展,特别是政局的统一稳定,为隋唐时期文化的辉煌奠定了政治基础;经济发展,主要是手工业技术和城市商业发展,为隋唐时期文化的辉煌提供了雄厚的经济基础;开明、和睦的民族...

试题推荐
题型:阅读理解

Today is Children's Day. Mr. Lee and his students are watching animals. Some of the boys are going to the monkey -house to see the monkeys. Some of the girls are going to the panda-house to see the pandas. San and Billy are going to the tiger-house to see the tigers. Ann, Lily, and Sue are going to the bird-house to see the beautiful birds. Look at Jenny, She wants to give the animals some food. But Mr. Lee says to her, “I am sorry that you can't do that.” Jenny's face is red when she hears the words.

根据短文,判断正误,正确的写 “T”,错误的写 “F”。

小题1:Today is June first.

小题2:Mr. Lee and his students are having a class at school today.

小题3:Some boys are  watching the monkeys.

小题4:Only Lily and Sue are going to watch the birds.

小题5:Jenny's face becomes red because she feels sorry.

查看答案
微信公众账号搜索答案