Compute the indefinite integral of the following function. bold r (t )equalsleft angle t superscript 7 baseline minus 9 t comma 8 t minus 3 comma 13 right angle select the correct answer below and fill in the answer boxes to complete your choice. a. integral from nothing to nothing bold r (t )dtequalsleft angle nothing comma nothing comma nothing right angle b. integral from nothing to nothing bold r (t )dtequalsleft angle nothing comma nothing comma nothing right angle plusc

The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false

For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater

Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.