170. A steel ball with a mass of 100 g is dropped onto a steel plate. The collision is perfectly elastic. From what height must the ball be dropped for the vibrating system to have a bounce period of 2.0 s

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

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

Many science fiction movies and tv shows have detected using a nuclear weapon to destroy astroids what problems does plait see with this plan