What is effect on the equilibrium of a physical balance when air is blown below one pan?

Keeping the angle of' projection same, what is'the effect on horizontal range of a particle when its velocity is doubled?

The equilibrium constant for the reaction N_2(g) +3H_2(g) harr 2NH_3(g) is K. What will be the equilibrium constant for the reaction involving decompostion of one mol of ammonia?

The Marina trench is located in the Pacific Ocean, and at one place it is nearly eleven km beneath the surface of water. The water pressure at the bottom of the trench is about 1.1 xx 10^8 Pa. A steel ball of initial volume 0.32 m3 is dropped into the ocean and falls to the bottom of the trench. What is the change in the volume of the ball when it reaches to the bottom?