TS EAMCET 4 May 2018 Shift 2 Solved Paper

A tank of height 15m and cross-section area 10m2 is filled withwater. There is a small hole of cross-section area ' a ' which ismuch smaller than the container, located at a height of 12mfrom the base of the container. How much force should beapplied with a piston at the top level, so that the water comingout of the hole hits the ground at a distance of 16m. (Takedensity of water =1000kg∕m3 )