A gas passes steadily through a nozzle of inlet diameter 40 cm and an outlet diameter of 7.2 cm. The inlet velocity is 8 m/s and the outlet velocity is 60 m/s. The inlet density is 5.4 kg/m3. Determine the density at the outlet, in kg/m3.

An engine, weighing 3000 n, is supported on a pedestal mount. it has been observed that the engine induces vibration into the surrounding area through its pedestal at the maximum operating speed. determine the stiffness of the dynamic vibration absorber spring in (n/m) that will reduce the vibration when mounted on the pedestal. the magnitude of the exciting force is 250 n, and the amplitude of motion of the auxiliary mass is to be limited to 2 mm note: in this question type-in right numbers, no decimals, no fractions, no unit. approximate to right number if needed