Which is more important to rocket engineers: math or science? Explain your reasoning.

Fluids at rest possess no flow energy. a)- true b)- false

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?

Apressure vessel with an r/t 20 cannot be treated as thin walled vessel. a)-trune b)- false