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The rigid gate,OAB, of Fig. P2.58 is hinged atO and rests against a rigid support atB. What minimum horizontal force,P, is required to hold the gate closed if its width is 3 m? Neglect the weight of the gate and friction in the hinge. The back of the gate is exposed to the atmosphere.
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1. A composite aluminium alloy ( E= 72GPa and v = 0.33 ) cylinder is made up of an inner cylinder with inner and outer diameters of 80 and 120mm, respectively, and outer cylinder with inner and outer diameters of and 120 and 240mm, respectively. The composite cylinder is subjected to an internal...
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"Air is compressed under steady flow conditions, see Figure Q3. The power input to the compressor is 3 kW. During the process the specific heat loss from the compressor is measured to be 20 kJ/kg. The mass flow rate of the air is 0.04 kg/s. The velocity of the air entering the compressor...
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Knowing that crank AB rotates about point A with a constant angular velocity of 900 rpm clockwise, determine the acceleration of the piston P when = 120 .
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A projectile enters a resisting medium at x 0 with an initial velocity v0 900 ft/s and travels 4 in. before coming to rest. Assuming that the velocity of the projectile is defined by the relation 0 v v kx, where v is expressed in ft/s and x is in feet, determine (a) the initial...
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A composite aluminium alloy ( E= 72GPa and v = 0.33 ) cylinder is made up of an inner cylinder with inner and outer diameters of 80 and 120mm, respectively, and outer cylinder with inner and outer diameters of and 120 and 240mm, respectively. The composite cylinder is subjected to an internal...
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Please see attachment 46. Thanks!
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Please see attachment 42. Thanks!
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418 Ibs. needed to be lifted 21 feet high, how many foot pounds of work must be done?
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