1.Name one situation where the acceleration of an object is
来源:学生作业帮 编辑:搜狗做题网作业帮 分类:英语作业 时间:2024/06/04 00:13:44
1.Name one situation where the acceleration of an object is in a different direction than the velocity of object.
2.If you are jumping,why is it a good idea to bend your knees when you land?(use impulse to explain)
3.The chemical compound SiCl₄ (one silicon atom bonded with four chlorine atoms) is a colorless liquid.Which of the following would you expect to have similar chemical properties,and why?
(A) SiBr₄(one silicon atom bonded with four bromine atoms);
(B) PCl₄(one silicon atom bonded with four tellurium atoms.)
(4) An atom has 17 protons,18 neutrons and 18 electrons.Write the element,mass number and ionization state( for example:⁴He2⁺)
2.If you are jumping,why is it a good idea to bend your knees when you land?(use impulse to explain)
3.The chemical compound SiCl₄ (one silicon atom bonded with four chlorine atoms) is a colorless liquid.Which of the following would you expect to have similar chemical properties,and why?
(A) SiBr₄(one silicon atom bonded with four bromine atoms);
(B) PCl₄(one silicon atom bonded with four tellurium atoms.)
(4) An atom has 17 protons,18 neutrons and 18 electrons.Write the element,mass number and ionization state( for example:⁴He2⁺)
1、指出一种物体的加速度和速度方向不一致的情况.(答:曲线运动)
2、当你跳跃时,为什么着地的时候最好屈膝?(用冲量来解释)
3、化合物SiCl4(一个硅原子被四个 氯原子包围)是一种无色液体,你认为下列哪种物质具有与之相似的化学性质?为什么?
A) SiBr₄(一个硅原子被四个溴原子包围);
(B) PCl₄(一个磷原子被四个 氯原子包围)
4、一个原子有17个中子、18个质子和18个电子,写出它的化学符号、质量数和电离态(例如 ⁴He2⁺)
2、当你跳跃时,为什么着地的时候最好屈膝?(用冲量来解释)
3、化合物SiCl4(一个硅原子被四个 氯原子包围)是一种无色液体,你认为下列哪种物质具有与之相似的化学性质?为什么?
A) SiBr₄(一个硅原子被四个溴原子包围);
(B) PCl₄(一个磷原子被四个 氯原子包围)
4、一个原子有17个中子、18个质子和18个电子,写出它的化学符号、质量数和电离态(例如 ⁴He2⁺)
The acceleration in consumption is partially a function of t
求翻译:the angular acceleration of rotating body is proportiona
英译汉The mass of an object is multiplied by the speed of light
The situation is an awkward one,____ way you look at it.
the situation is an awkward one way you look at it
weight is the force of gravity acting on an object 求翻译.
in basic research,where the object is to understand how
英语翻译1.Can the speed of an object change if the net work done
The name,Agra,is an ___ of their first names.
Which of the following sentences has an object complement?A.
Which of the following sentences has an object complement?
The first thing that children recongnize is that one object