Q2. A water tank shown in figure below open to the atmosphere is initially filled with water. The plug near the bottom of water tank is pulled out, and a water jet whose diameter is 0.012 m in streams out. The average velocity of the jet is approximated as V-/2gh, where h is the height of water in the tank measured from the center of the hole (variable) and g is the gravitational acceleration. The time of discharge is determined as 29.8 minutes. Find the water level in the tank to drop to 1.6 m from the bottom. The density of water is p= 1000 kg/m³, and g= 9.81 m/s?. 1.2 m 0.8 m Da Şekil 1 Note: The following assumption will be made: 1. The flow is uniform and incompressible, 2. The distance the bottom of the tank and the center of the hole is negligible compared to the total water height.

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Fluid Kinematics

The branch of science that deals with objects which are either in motion or stationary are studied under the branch of classical mechanics. Fluid mechanics is a subcategory of classical mechanics that deals with the behavior of fluids at rest (fluid statics) or in motion (posing some velocity). In fluid kinematics, studies focus on the associated motion of fluid particles or groups of particles, and its associated parameters like displacements, velocity, and acceleration without concerning about the forces that caused the motion. All the laws of classical mechanics are applied in the study of fluid kinematics.