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the uniform l-shaped bar pivots freely at point p of the slider which moves along the horizontal rod determine the
the 25-kg bar bd is attached to the two light links ab and cd and moves in the vertical plane the lower link is
the parallelogram linkage shown moves in the vertical plane with the uniform 8-kg bar ef attached to the plate at e by
solid homogeneous cylinders 400 mm high and 250 mm in diameter are supported by a flat conveyor belt which moves
determine the magnitude p and direction theta of the force required to impart a rearward acceleration alpha 5 ftsec2
the uniform 60-lb log is supported by the two cables and used as a battering ram if the log is released from rest in
arm ab of a classifying accelerometer has a weight of 025 lb with mass center at g and is pivoted freely to the frame f
the loaded trailer has a mass of 900 kg with center of mass at g and is attached at a to a rear-bumper hitch if the car
the uniform 4-m boom has a mass of 60 kg and is pivoted to the back of a truck at a and secured by a cable at c
repeat the questions of the previous problem for the 3200-lb front-engine car shown and compare your answers with those
determine the acceleration of the initially stationary 20-kg body when the 50-n force p is applied as shown the small
a subsonic airplane is flying at a 3000-m altitude where the atmospheric conditions are 70109 kpa and 26865 k a pitot
air at 09 mpa and 400 k enters a converging nozzle with a velocity of 180 ms the throat area is 10 cm2 assuming
steam at 60 mpa and 700 k enters a converging nozzle with a negligible velocity the nozzle throat area is 8 cm2
find the expression for the ratio of the stagnation pressure after a shock wave to the static pressure before the shock
helium expands in a nozzle from 1 mpa 500 k and negligible velocity to 01 mpa calculate the throat and exit areas for a
helium expands in a nozzle from 150 psia 900 r and negligible velocity to 15 psia calculate the throat and exit areas
a stationary temperature probe inserted into a duct where air is flowing at 250 ms reads 85degc what is the actual
the thrust developed by the engine of a boeing 777 is about 380 kn assuming choked flow in the nozzles determine the
consider an equimolar mixture of oxygen and nitrogen determine the critical temperature pressure and density for
using ees or other software determine the shape of a converging-diverging nozzle for air for a mass flow rate of 3 kgs
air is cooled as it flows through a 20-cm-diameter duct the inlet conditions are ma1 12 t01 350 k and p01 240 kpa and
repeat prob 17-143 for methane with k 13prob 17-143using ees or other software and the relations given in table a-33
repeat prob 17-141 for methane with k 13prob 17-141using ees or other software and the relations given in table a-32