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The uniform panel door weighs 60 lb and is pre-vented from opening by the strut C, which is a light two-force member whose upper end is secured under the door knob and whose lower end is attached to a rubber cup which does not slip on the floor. Of the door hinges A and B, only B can support force in the vertical z-direction. Calculate the compression C in the strut and the horizontal components of the forces supported by hinges A and B when a horizontal force P = 50 lb is applied normal to the plane of the door as shown.
The car travels at a constant speed of 25 m/s makes a turn on a semi-circular curve. If it takes 20s to make the semi-circular turn, determine the magnitude of the car’s acceleration during the turn.
water initially saturated vapor at 4 bar fills a closed rigid container. the water is heated until its temperature is
water and steam enter an insulated mixing chamber in steady flow. the liquid water enters at 20 0c and 3 bars with a
The extrusion ratio, die geometry, extrusion speed, and billet temperature all affect the extrusion pressure. Explain why.
what will be the final temperature in the tank? how much work will be accomplished over the course of the entire process?
The energy-separation curve for two atoms, a distance, r, apart is: U(r)= -A*rm+Brn Derive an expression for the equilibrium spacing ro as a function of A, B, m and n.
the compressor of a refigerator compresses saturated r-134a vapor at -10 c to 800kpa. how much work does this require
two ships a amp b are moving at constant velocities. at t0 the position of ship a is 2.41 miles east and 3.14 miles
calculate the cost per piece of a milling operation that is used to machine a pocket of 2x3x0.5 lxwxd. the material
what is the rate of entropy generation in the turbine when steam enters an adiabatic turbine at 8mpa and 500oc at a
Consider a diamond shaped airfoil oriented to the oncoming stream. Approximate results since the inclination angles are small. All four faces are same length. Angle of attack is 10 deg. According to Newtonian hypersonic theory, Find the numerical val..
the owner of a new home is considering the economics of current and proposed designs. the current design is the
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