2 = 2500 cos 20 13. For a short time, the jet plane moves along a path in the shape of a lemniscate, r² = (2500cos 20) km?. At the instant 0=30°, the radar tracking device is rotating at =5(10³) rad/s with ë=2(10³) rad/s². Determine the components of the velocity and acceleration of the plane at this instant, a) in Cartesian Coordinates, b) in Normal and Tangential Coordinates, c) in Polar Coordinates. d) Also calculate the radius of curvature at the same instant.

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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.