3- A sport man make a jump ,the vertical position of his center of gravity can be expressed as the following; y=6 t³-5t² +8t-20 Biomechanics He complete his motion at 20 sec Calculate the maximum vertical velocity and acceleration and the time at which the maximum velocity and acceleration will occurred.

3- A sport man make a jump ,the vertical position of his center of gravity can be expressed as the following; y=6 t³-5t² +8t-20 Biomechanics He complete his motion at 20 sec Calculate the maximum vertical velocity and acceleration and the time at which the maximum velocity and acceleration will occurred.

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.19P: Plot the earths gravitational acceleration g(m/s2) against the height h (km) above the surface of...

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