A solid stainless steel [G = 105 GPa] shaft that is 1.9 m long will be subjected to a pure torque of T = 65 N*m.
(a) Determine the minimum diameter d required if the shear stress must not exceed 47 MPa and the angle of twist must not exceed 3.7°. Report both the maximum shear stress Ï and the angle of twist Ï at this minimum diameter.

Aflywheel accelerates for 5 seconds at 2 rad/s2 from a speed of 20 rpm. determine the total number of revolutions of the flywheel during the period of its acceleration. a.5.65 b.8.43 c. 723 d.6.86

A5 kg block of fe is dropped into a very large vat of water. the fe and water initial temperatures are 95 and 25 c, respectively. the fe final temperature is 25 c and the water can be treated as a thermal reservoir,. treated as a thermal reservoir take the water to be the system and determine the entropy generation. report vour answer in kj/k.

Define thermoplastic polymers and thermosetting polymers in terms of their structures, and (ii) describe briefly a process suitable for the production of products from each type of polymer.