A gun of mass 20 kg has bullet of mass 0.1 kg in it. The gun is free to recoil and 804 J of recoil energy is released on firing the gun. The speed of bullet (in m s^(-1)) is

A gun of mass 20 kg has bullet of mass 0.1 kg in it. The gun is free t

1.	A gun of mass 20 kg has bullet of mass 0.1 kg in it. The gun is free to recoil and 804 J of recoil energy is released on firing the gun. The speed of bullet (in m s^(-1)) is
Answer» `SQRT(804 xx 2010)` `sqrt((2010)/(804))` `sqrt((804)/(2010))` `sqrt(804 xx 4 xx 10^3)` ANSWER :D