[" 28.A cubic vessel (with face horizontal "+" vertical) "],[" contains an ideal gas at NTP.The vessel is being "],[" carried by a rocket which is moving at a speed of "],[500ms^(-1)" in vertical direction."],[" The pressure of the gas inside the vessel as observed "],[" by us on the ground "],[" (a) remains the same because "500ms^(-1)" is very much "],[" smaller than "v_(ms)" of the gas "]