作文地带导读:Multiplication is like repeated addition. Multiplying 4 by 3 means adding four three times: . The multiplication of a vector times a scalar works in the same way. Multiplying the vector A by the positive scalar c is equivalent...
作文地带导读:First of all, let’s calculate the magnitude of the cross product vector. The angle between the hour hand and the minute hand is 150o: Using the right-hand rule, you’ll find that, by curling the fingers of your right hand ...
作文地带导读:To solve this problem, we need to resolve the force on the second rope into its northward and westward components. Because the force is directed 30o west of north, its northward component is and its westward component is...
作文地带导读:“You’ll find a gas station if you follow this road 20 miles due north.”III.” “You’ll find a gas station if you follow this road 20 miles due north” deals with the vector quantity of displacement. When asking directions ...
作文地带导读:It’s the same vector as its positive counterpart, only pointing in the opposite direction. A – B, then, is the same thing as A + (–B). For instance, let’s take the two vectors A and B: To subtract B from A, take a ve...
作文地带导读:每年的十月一日是一年一度的国庆节,是我们伟大祖国母亲的生日。伴随着风风雨雨,我们的母亲祖国...
I love my hometown——Xinjiang.I Love Xinjiang(征文)我爱新疆英语作文两篇. I am very proud of living in Xi...
作文地带导读:冯萍小说集之:What is there in the front?Chapter two 作者介绍:冯萍 山西农业大学信息学院 英...
冯萍小说集之:What is there in the front?第一章:作者 冯萍山西农业大学信息学院英语104班...
作文地带摘要:A recent investigation shows that about 80 percent of pupils have private tutors.Such a pop...
英语应用文写作之留学申请信范文九篇(Application for Admittance) 留学和奖学金申请信中须写明下列几点: ...