The 322-lb bell is at rest in the vertical position when it is struck by the 75.67-lb wooden beam suspended from two equal-length ropes. The center of mass of the bell is at point G and its radius of gyration about G is kG = 1.5 ft. The post strikes the bell with a velocity of 7.5 ft/s. The coefficient of restitution for the impact is e = 0.65.  Determine the mass moment of inertia of the bell about its pivot point.  Determine the angular momentum of the system about the bell pivot point.  Determine the angular velocity of the bell immediately after impact.  Determine the velocity of the wooden beam immediately after impact.

Amass of m 1.5 kg of steam is contained in a closed rigid container. initially the pressure and temperature of the steam are: p 1.5 mpa and t 240°c (superheated state), respectively. then the temperature drops to t2= 100°c as the result of heat transfer to the surroundings. determine: a) quality of the steam at the end of the process, b) heat transfer with the surroundings. for: p1.5 mpa and t 240°c: enthalpy of superheated vapour is 2900 kj/kg, specific volume of superheated vapour is 0. 1483 m/kg, while for t 100°c: enthalpy of saturated liquid water is 419kj/kg, specific volume of saturated liquid water is 0.001043m/kg, enthalpy of saturated vapour is 2676 kj/kg, specific volume of saturated vapour is 1.672 m/kg and pressure is 0.1 mpa.

During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false

Draw the engineering stress-strain curve for (a) bcc; (b) fcc metals and mark important points.