A kg watermelon dropped from the roof of the DP theater , a height of 15 meters . Available formula: Work = FxD , power = W/t, PE = Mx9.8 X H ,KE= 0.5 x MxVxV what is the Ke on top ( please help me it’s a quiz )

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

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit