PART-A에서는 질량중심의 정의를 이용하여 을 구할 수 있었다. 전자저울로 잰 전체질량은 거의 정확한 값일 것이므로, 오차가 생겼다면 우리가 MBB의 질량중심을 찾는 과정에서 발생했을 것이다. 우리가 구한 의 값은 다음과 같다.
PART-B에서는 에너지 보존의 법칙, 회전관성, 회전운동에너지 등을 이용
Ⅰ. Definition of some terms which will be used and concepts of marketing
1. What is the marketing?
-Many people regard the marketing as sales or advertisement. This is not wrong, but it is a little bit insufficient to understand the marketing wholly. In the marketing, ‘market’ means customers or consumers who buy some products in the market. It is the first step for comprehending the m
CAVITY
일정한 속도의 액체가 면적이 작은 부위(수축부 Vena Contracta)를 지날 때 유체의 속도(V)는 빨라지고 압력(P)은 떨어진다, 이때 액체압력이 그 액체의 증기압(Pv)보다 낮아지면 기포가 발생 Vapor 상태가 되는데 이것을 Cavity라 한다. 이 기포는 다시 압력이 상승함에 따라서 밸브Trim 이나 Body 내벽에서
PART #1 SPA CONCEPT
The clothing became the way
of expressing oneself and personality
which used to be a way of protecting oneself
in the past.
What is SPA?
: Professional retailer which sells one’s brand product
from manufacturing to processing
It is a business model
which is comparable to the mass produced high-quality products in worldwide.
It is called “
2 summary
1. Sustainability management
Economic, Social, Environment performance
Responsive CSR &Strategic CSR
Key Sustainability management issues
(중략)
5. Environmental milestones
‘Humans can become healthy only when nature is healthy’
Sets Environmental safety agenda with 5 principles
Many activities to lessen the environmental effects