A subwoofer is a type of speaker which plays only the very low notes in a song or movie, which following frequencies would you expect to be able to hear from a subwoofer 10hz
25hz
750hz
1,050hz

Agas contained within a piston-cylinder assembly undergoes three processes in series: process 12: compression with pv= constant from 1 bar and 1 liter to 4 bar. process 23: constant pressure expansion to 1 liter. process 31: constant volume calculate the pressure and volume at each state, and sketch the processes on a p-vdiagram labeled with pressure and volume values at each numbered stat

What are the applications of electromagnetic waves

If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?