how can you get the value in the circle? how is it derived to arrive at 17.65

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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how can you get the value in the circle? how is it derived to arrive at 17.65
Equation of motion in Y-direction:
1
y = yo + Vyt – 5 gt?
134
x 32.2 x (-
134
0 = 6.8 + (128sin0 x
128cos0
`128cose
1
0 = 6.8 + 134tan0 – 17.65 x
cos²0
0 = 6.8 + 134tan0 – 17.65 x (1+ tan²0)
17.65tan?0 – 134tan0 + 10.85 = 0
Transcribed Image Text:Equation of motion in Y-direction: 1 y = yo + Vyt – 5 gt? 134 x 32.2 x (- 134 0 = 6.8 + (128sin0 x 128cos0 `128cose 1 0 = 6.8 + 134tan0 – 17.65 x cos²0 0 = 6.8 + 134tan0 – 17.65 x (1+ tan²0) 17.65tan?0 – 134tan0 + 10.85 = 0
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