Based on following data, angular acceleration of the tibia 450 rad/sec 2 the mass moment of inertia for the tibia is 0.40 nm sec 2 the perpendicular distance between patellar tendon and the center of rotation is 0.045m determine the muscle force acting on patellar tendon. show all works

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

The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody

Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k