A woman holds a hose 0.8m above the ground such that the water shoots out horizontally. The water hits the ground at a point 2 meters away. What is the speed with which water leaves the hose?

"if the pressure acting on an ideal gas at constant temperature is tripled, its volume isa) reduced to one-third.b) increased by a factor of three.c) increased by a factor of two.d) reduced to one-half"