1. The half-life of a radioactive substance is 2 days. Find the time required for a given amount of the material to decay to 1/10 of its original mass.

Q: Problem 1. Determine the following unknowns on the beam shown below using Double Integration Method.…

A: Given Beam condition  From Equilibrium equations ∑FY=0 RA+RD=36×7+39+22+02×6=357kN ∑MZ=0 taking…

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A: Given:- w=50mm maximum displacement=10mm E=10GPa To find:- h

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Q: Solve the differential equation. 2x dy + y dx = 9x 5 dx

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Q: Q1/ Determine the resulting displacement of pin B. Assume: A1=A2= 900 mm? , E1=E2= 100 GPa , a1=a2=…

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A: Given,  X = 137 Y = 37   As requested, we are required to solve the questions 4,5 and 6.

Q: Problem 1. Use slope-deflection method and determine the following unknowns on the frame shown…

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Q: Determine the displacement and the slope at D, shown in the figure. Assume A is a fixed support, B…

A: From equilibrium conditions: ∈MB=0Rc×4-Q×8=0Rc=2Q∴RA=RC-Q         =2Q-Q RA  =QMA=2Q×8-Q×12MA=4Q…

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Q: please fill in all the blanks and show all work, thank you! 2%/ft Ay Find the reactions. Draw and…

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Q: Solve Equations 2x+y+z=5,3x+5y+2z-15,2x+y+4z-8 using Gauss Seidel method. Carry out one iteration…

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Q: A 7.5m cantilever beam shown carries a 115KN/m uniform load. Point A is free end while point B is…

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A: Let,RA=vertical reaction at support A in upward directionRB=vertical reaction at support B in upward…

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Equilibrium and Support Reactions

Civil engineers deal with structures that are composed of several members connected or with individual members such as beams and columns. To analyze such structures, the condition of statics must be applied. Under the static condition, the members are considered to be in equilibrium under the action of forces, that is, the members are assumed to be having negligible velocity.