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The offset slider-crank mechanism illustrated in the figure (unit is mm) is driven by link 2. At this moment, velocity of point C is 1000 mm/s to the left. Determine the instantaneous velocity of point B and point D, and the angular velocity of links 2 and 3. Draw the velocity polygon to solve this problem. Show the intermediate steps to get full credit. Use a scale of 1 mm represents 40 mm/s. The black dot is the origin point of the velocity polygon.
determine the tension developed in each cord required for equilibrium of the 21- kg lamp. determine the tension
Three lb of water is contained in a piston–cylinder assembly, initially occupying a volume V1 5 30 ft3 at T1 5 300°F. The water undergoes two processes in series: Constant-temperature compression to V2 5 11.19 ft3, during which there is an energy tra..
a four-cylinder four-stroke 2.8-liter compression-ignition engine operates on the ideal dual cycle with a compression
a pump is located 4.5 m to one side of and 3.5 m above a reservoir. the pump is designed for a flow rate of 6 ls. for
Show that at room temperature ( T = 300 K) thermal stimulation dominates for frequencies well below 5 x 1012 Hz, whereas spontaneous emission dominates for frequencies well above 5 x 1012 Hz. Which mechanism dominates for visible light?
in the production of ethanol from corn the solids left after fermentation are dried in a continuous-flow oven. this
During incipience of frost formation, where would you expect the frost to begin to develop on the window? The frost may be assumed to have an emissivity of ε = 0.90.
a cylindrical flask is fitted with an airtight piston that is free to slide up and down. a mass rests on top of the
A tube of 2-mm diameter is used to heat saturated water at 1 atm, which is in cross flow over the tube. Calculate and plot the critical heat flux as a function of water velocity over the range 0 to 2 m/s. On your plot, identify the pool boiling re..
How can we rotate a disc hanged with weights freely without external effects other then gravitational force cont?
the 800-lb load is being hoisted at a constant speed using the motor m which has a weight of 90 lb. determine the
a car is travelling over a hill. if using a cartesian coordinate system with origin at the top of the hill the hills
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