NOTAR(NO Tail Rotor)
Antitorque by using airflow
More expensive but less noise
Coaxial Helicopter (concentric or located along the same axis)
Coaxial Helicopter use Two shafts.
Each shaft rotate opposite direction.
→anti-torque
High Useful Load but complicate rotor design
Problem 3.52
One of the tail rotor blade of a helicopter has an unbalanced mass if m = 0.5
effect of mass media that reproduces women's inequal social status is enormous. Before the shift of Capitalism, factors like customs, social rules, laws and religions etc. greatly contributed to produce and reproduce the women's inequality. These factors usually controlled women's whole private lives from small habits to family events. However, after the shift of Capitalism, this control was done
MASS COMMUNICATION EFFECTS THEORY
1. 효과이론에서 말하는 효과
Maletzke 의 지적 그대로 매스 커뮤니케이션 효과에 관한 문헌들을 보면 ‘효과에 과한 명확한 정의를 찾아보기 힘들 뿐만 아니라, 그 정의들도 학자에 따라서 매우 다양한 것이 사실이다.
「 매스커뮤니케이션의 문제를 다룬 연구는 많
Noelle-Neumann(1974), Communication scholar in Germ- any, presented this theory which is one of the powerful effects theories about mass communication effectMass media spread certain contents to people and are powerful to make them dominant public opinion
She analyzed the meaning of public opinion and character of individuals in society.
Period [A] (~4/29) : Before the report of ‘PD수
Effectiveness: “You can change your image only when you change your body, skin, and fashion altogether”.
IV. Studies on our customers, competitors, and collaborators
1. Customers: Analyses on the target customers
Segment Age Profession Characteristics
1 20-25 University students - Especially, freshmen & discharged soldiers are interested in their appearance
- Most of them are tech-