For the given loading of the beam ab, determine the
range of values of the mass of the crate for which the system will
be in equilibrium, knowing that the maximum allowable value of the
reactions at each support is 2.5 kn and that the reaction at
e must be directed downward.

Assuming compressible flow of air and that the measurements are done at flagstaff a pitot static tube that gives the difference of total and static pressure measures 0.35 m of mercury. what is the velocity of air? assume the temperature to be 300k. (submit your excel or matlab calculation sheet)

The characteristic roots of a dynamic system are: 1.7920 1.8160 i, -1.7920 1.8160 i, -0.4160 what is the order of this system? what are the settling time and damping ratio of the system?

For a gate width of 2 m into the paper, determine the force required to hold the gate abc at its location.