During some actual expansion and compression processes in piston–cylinder devices, the gases have been observed to satisfy the relationship pv n= c, where n and c are constants. calculate the work done when a gas expands from 350 kpa and 0.03 m3 to a final volume of 0.2 m3 for the case of n = 1.5.

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

Frost wedging occurs when water seeps into a crack in a rock, freezes, and causes the crack in the rock to widen. t or f

When someone slams her books on a table the kinect energy is transferred into vibrations that travel to your ears as sound waves which statement describes the movement of those waves