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I did not understand. It would be great if you can explain. Actually I am trying to calculate the impact force due to freefall. As I know the KE due to fall, I need the impact distance to calculate the force (1/2 mv²/d). If this is difficult to calculate theoretically, any equation to calculate...

Tube is falling normal to the ground without rotation.

C Considering it as a concrete floor. and Material of the tube is high-density polyethylene: Density 960 kg/m3, Tensile modulus 1500MPa Tensile strength at yield 31 MPa Charpy Imp strength 4.0 kJ/m2

What is the equation to find the bouncing height of a cylindrical tube when the flat surface is falling on the floor under Earth's gravity? I know the mass, drop height and material properties of the cylindrical tube.