Apiston–cylinder device with a set of stops initially contains 0.6 kg of steam at 1.0 mpa and 400°c. the location of the stops corresponds to 40 percent of the initial volume. now the steam is cooled. determine the compression work if the final state is (a) 1.0 mpa and 250°c and (b) 500 kpa. (c) also determine the temperature at the final state in part (b).

Most energy in an ecosystem comes originally from_

The roller coaster from problem #1 then tops a second hill at 15.0 m/s, how high is the second hill? 91.5 m 79.2 m 80.0 m 68.5 m

Ajet plane has a sound level of 120 db at a distance of 60 m. what is the q23. sound level at a distance of 6.0 km? (60)2 (6000)? om solution 80db db, hint: 16x assume ultrasound waves travel through the body of an animal at 1540 q24. m/s. if a 30,000 hz signal were reflected off a portion of a heart which was moving toward the source at 3 m/s, what frequency signal would return to the stationary source? solution 30.117hz