Recent content by Chandasouk

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    Statics: Drawing Shear and Moment Diagram

    Is that what the blue lines are for? I actually don't know how to graph something properly using MasteringEngineering. One of my previous answers did not have the vertical blue line at 4.75, but had everything else the same and that was marked incorrect for me as well.
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    Statics: Drawing Shear and Moment Diagram

    http://img687.imageshack.us/img687/5889/shear.png I'm having trouble drawing the shear diagram on MAsteringEngineering. I'm pretty sure the values are correct too? I got By = 10.5 and Ay = 9.5 V(x) = -2x+9.5 for the distributed load so when I set V=0, I find the x intercept to be...
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    Statics: Rigid Body Equilibrium

    Hello, I was wondering if someone could explain part of the solution to this problem for me. http://img706.imageshack.us/img706/5517/disksproblem.png To the right is the Free Body Diagram of Disk E, and I can draw the forces on there well enough. But I really do not understand how they...
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    Statics: Find resultant force and couple moment

    http://imageshack.us/a/img842/2497/112639506.jpg Calculate the resultant force’s magnitude and the couple moment. Let a = 3.70 m w1=5.35kN/m w2=4.00kN/m The resultant force of the triangle is 1/2(3.70)(5.35)=9.898 kN The resultant force of the rectangle is (4)(3.70) = 14.8kN So...
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    Statics Problem istributed Loads

    Sorry about that Rank the items from smallest to largest. To rank items as equivalent, overlap them. I shall also edit my post
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    Statics Problem istributed Loads

    Statics Problem:Distributed Loads http://imageshack.us/a/img845/5825/112639502.jpg When measuring from the left side of the beam Xa,Xb ,Xc ,Xd ,Xe ,and Xf are the locations where the resultant force is applied in each of the six cases. Rank these six locations. Rank the items from...
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    Statics Question: Finding Resultant Moment

    http://img831.imageshack.us/img831/8005/f48am.jpg Determine the magnitude of the resultant moment produced by the forces about point O Determine the direction of the resultant moment produced by the forces about point O I first break the forces down to their components. F1x =...
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    Statics Question: Finding resultant force and orientation

    Determine the magnitude of the resultant force FR. Assume that F1 = 230 and F2 = 395 Express your answer to three significant figures and include the appropriate units. Determine the direction of the resultant force FR , measured counterclockwise from the positive x axis. I got the...
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    Discrete Math Set Theory Question

    Let A, B, and C be sets. Show that a) (A-B) - C \subseteq A - C b) (B-A) \cup (C-A) = (B \cup C) - A I am using variable x to represent an element. Part A) I rewrote (A-B) - C as (x\inA ^ x\notinB) - C I think this could be rewritten as (x\inA ^ x\notinB) ^ x\notin C A-C can...
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    Simplifying the Discrete Time Signal Summation

    For Part A, the index for the final answer is m = 0 though. You have it at m=1 for (-2)m
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    Simplifying the Discrete Time Signal Summation

    It's been a while since I took Calc 2 and I am in a Linear Systems and Signals class right now. I'm looking at a solution on how to obtain a zero state response of a discrete time signal, but performing the summation confuses me. Can someone explain the steps they did? This is part A...
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    How do you find initial values for linear discrete time systems?

    Can someone the following steps of this solution for me? http://imageshack.us/photo/my-images/828/80685231.jpg/ Mainly how they got their initial conditions? The 7.30 equation is just h[n-m] = bm which doesn't help me much. For our problem, I know that n=3 and m =1 since the LHS...
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    Laplace Transform of a signal?

    Can someone explain the steps of this solution? In my linear systems class, we are doing Laplace transforms using transform tables and the properties. I can usually do the problems that closely resemble the table, but when they involve heavy algebraic manipulations, I don't know what to do...
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    Help finding inverse laplace transform?

    http://img215.imageshack.us/i/unledc.jpg/ Using the residue method, I found K1 and K2 to be -2 and 4 respectively. However, where do I go from there?
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    Engineering Help solving First Order RL circuit

    I try solving using node equations I make a node called V1 where the three resistors intersect each other and another node called VL above the inductor The node equation for V1 is (V1-60)/30 + V1/60 + (V1-VL)/20 = 0 V1/30 - 2 + V1/60 + V1/20 - VL/20 = 0 The node equation for VL is...
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