The system consists of a 20-lb disk a, 4-lb slender rod bc, and a1-lb smooth collar c. if the disk rolls without slipping, determined the velocity of the collar at the instant

The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false

Agas mixture consists of 8 kmol of h2 and 2 kmol of n2. determine the mass of each gas and the apparent gas constant of the mixture.

Describe one experiment in which the glass transition temperature and melting temperature of a totally amorphous thermoplastic material can be determined. show the relevant experimental results in a diagram which should be properly annotated with the two temperatures clearly marked. what is likely to happen to the curve in the diagram if the amorphous polymer is replaced by a thermosetting type?