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그림과 같은 도면의 도심 을 구하여라. dr 25 mm 100 mm 50 mm A₂ -75 mm-75 mm- T 25 mm C 50 mm F 25 mm x -= ty= ↓ fxdA _ A₁x₁ + A₂x₂ + A3x3 = A A₁ + A₂+ A3 Sy dA A₁₁+A₂Y₂+A3Y3 A A₁ + A₂+ A3 = (25+100) mm - (1ỹ) mm = (300X25)+( = ( = ( ) mm ) mm ) mm

그림과 같은 도면의 도심 을 구하여라. dr 25 mm 100 mm 50 mm A₂ -75 mm-75 mm- T 25 mm C 50 mm F 25 mm x -= ty= ↓ fxdA _ A₁x₁ + A₂x₂ + A3x3 = A A₁ + A₂+ A3 Sy dA A₁₁+A₂Y₂+A3Y3 A A₁ + A₂+ A3 = (25+100) mm - (1ỹ) mm = (300X25)+( = ( = ( ) mm ) mm ) mm

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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그림과 같은 도면의 도심 , ñ을 구하여라. OF 25 mm 100 mm 50 mm A₂ Ta -75 mm-75 mm- 25 mm TA 50 mm LE 25 mm → X = S x dA _ A₁ x ₁ + A₂ x₂ + Az x3 = A A₁ + A₂+ A3 = SydA _ A₁y₁+ A₂y₂ + A3Y3 = = A₁ + A₂+ A3 = (25 +100) mm - ( ↑ỹ) mm = 1ỹ = Syda y A (300X25)+( = ( ) mm = (_) mm = ( )mm
Transcribed Image Text:그림과 같은 도면의 도심 , ñ을 구하여라. OF 25 mm 100 mm 50 mm A₂ Ta -75 mm-75 mm- 25 mm TA 50 mm LE 25 mm → X = S x dA _ A₁ x ₁ + A₂ x₂ + Az x3 = A A₁ + A₂+ A3 = SydA _ A₁y₁+ A₂y₂ + A3Y3 = = A₁ + A₂+ A3 = (25 +100) mm - ( ↑ỹ) mm = 1ỹ = Syda y A (300X25)+( = ( ) mm = (_) mm = ( )mm
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