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Two structural members B and C are bolted to a bracket A. Knowing that both members are in tension and that P= 6 kips and Q= 4 kips, determine graphically the magnitude and direction of the resultant force exerted on the bracket using (a) the parallelogram law, (b) triangle law.
find the response of a generic undamped spring-mass system subjected to a square pulse ftf0 for 0letltt0 and 0 for
the position of a particle along a straight line is given by s1.5t3 - 13.5t2 22.5t ft where t is in seconds. determine
the drag on a 2-m-diameter satellite dish due to an 80-kmhr wind is to be determined through a wind tunnel test using a
a constant-volume tank contains 10 lbm of ammonia initially at 30 lbfin2 and 80degf 539.67degr. the ammonia is then
the 2000 lb load can be moved along the beam bd to any position between stops at e and f. knowing that sigmaall6ksi for
1. a system contains water at 4.0 mpa and 275 degc. the phase of water isa liquid onlyb liquid-vapor mixturec vapor
consider x norm57 y norm57 and z norm19 and assume xy and z are independent.1 find and sketch the probability
a ball is thrown so that the motion is defined by the equations x5t and y26t-4.9t2 where x and y are expressed in
a petrol engine uses 204 kg of petrolh of calorific value 43 mjkg. the thermal efficiency of the engine is 20.
A ball is thrown vertically up with a velocity of 91 ft/sec at the edge of a 190-ft cliff. Calculate (a) the height h to which the ball rises and (b) the total time t after release for the ball to reach the bottom of the cliff.
a crate of weight w550 lb has been attached to a pickup truck by a rope whose tensile strength is tmax350 lb. if the
a heat engine is operating on a carnot cycle and has a thermal efficiency of 55. the waste heat from this engine is
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