How do i start this question Problem 8What is the derivative with respect to t ofthe function r (t) = (5 m/s³) t³ – (2m/s²) t² +(7 m/s) t – 3 m? What is the second derivativedx/dt?

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What is the derivative with respect to t of the function a (t) = (5 m/s³) t³ – (2 m/s²) t² + (7 m/s) t – 3 m? What is the second derivative d?x/dt2?

Classical Dynamics of Particles and Systems

5th Edition

ISBN:9780534408961

Author:Stephen T. Thornton, Jerry B. Marion

Publisher:Stephen T. Thornton, Jerry B. Marion

Chapter1: Matrices, Vectors, And Vector Calculus

Section: Chapter Questions

Problem 1.27P: If r and are both explicit functions of time, show that

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Problem 8
What is the derivative with respect to t of
the function r (t) = (5 m/s³) t³ – (2m/s²) t² +
(7 m/s) t – 3 m? What is the second derivative
dx/dt?

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hello, I think the graph is concave, can u please recheck it?