Four solid spheres are made of the materials listed below. determine the maximum diameter of each so that the lumped capacitance model can be used to find t(t) for heating each in an oil bath with h=159 w/ m k . a. aisi 316 stainless steel b. copper c. cement mortar, table a.3 d. expanded polystyrene molded beads (styrofoam), table a.3 note: assume constant k for the solids at 300 k.

it was spontaneous.

"ain't i a woman? " is the name given to a speech, delivered extemporaneously, by sojourner truth, (1797–1883), born into slavery in new york state.sojourner truth' delivered her famous speech "ain't i a woman? " (which did not have a title at that moment) was given without any previous preparation. her dissertation took place at the women's convention in akron, ohio, in 1851.