A steel rod (E = 200 GPa) is fixed at A and subjected to the loading shown in the figure. The cross-sectional area of the rod is 50 mm². Neglect the size of the couplings at B, C and D. Calculate the displacement of the rod at D when F₁ = 4.2 kN, F₂ = 3.7 kN and F3 = 6.8 kN. Input your answer as a value only in mm to two decimal places without +/- sign. - 1 m A F₁ B 1.5 m -1.25 m C F2 D F

An ideal gas is taken from point a to point b along thediagonal path ab. Let Cab denote the “heat capacity” of thegas for process ab. Calculate Cab− (Cv+Cp)/2, where Cv and Cp denote the heat capacity of the ideal gas at constantvolume and constant pressure, respectively.

Note: Don’t use Heissler charts to answer this question Note2: You’re free to make assumptions regarding any value you think you need in order to solve the problem. Just explain your reasoning behind your assumption in a logical manner. Note3: please explain clearly and step by step

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Need help with the following problem involving calorimetry!

topic: relative equilibrium of liquids Answer the following, show complete solutions. Please Write legibly. ty

2. Refer to the figure below. In addition to the load at point D, if another load Q (Q=10F) along x direction acts at the center of the right end section of bar OABC, solve for the maximum load F with a safety factor of 2.0 using the maximum shear stress theory. Find the stresses at the origin point O. Assume the yield strength of the steel is 42 kpsi with v=0.3. Hints: The centroid of a semicircle lies at a distance of 4r/(3) measured along the vertical radius (r) or y-direction. 2 in. 1-in D. -in R. 1-in D. 12 in 15 in 1-in D.

An electric hot water heater consumes 3.1 kilowatts of electricity and converts it to heat. How long will it take the water heater to heat a 67 gallon tank of water from 10 degrees Celsius to 50 degrees Celsius? (1 kilogram of water is 0.37 gallons, 1 Calorie = 4200 J).  It may be helpful to refer back to the weekly handout for guidance on this problem. Your final answer should be in minutes (rounded to the nearest 10 minutes).