A25 gram bullet is fired from a gun with a speed of 230 m/s. if the gun has a mass of 0.9 kg what is recoil speed of the gun?

The electric field between square plates of a parallel-plate capacitor has magnitude e. the potential across the plates is maintained with constant voltage by a battery as they are pulled apart to twice their original separation, which is small compared to the dimensions of the plates. the magnitude of the electric field between the plates is now equal to a)e b)e/4 c)e/2 d)4e e)2e

Which model displays the change in a gas when the temperature of the gaseous system decreases?

Which inventor was often called the lady edison