A point mass of describes a curve in space whose equations are: being the time. · PHYSICS Dataset #7627

Physics · mechanics

Problem

A point mass of 2kg\mathbf{2 k g} describes a curve in space whose equations are: x=t3;y=t−2t2&z=1/4t3x=t^{3} ; y=t-2 t^{2} \& z=1 / 4 t^{3} being tt the time. Calculate for t=2t=2 seconds: a) The speed and acceleration vectors. b) The amount of movement vector. c) The kinetic moment with respect to an axis that passes through the origin and the point: p(2/3,2/3,1/3)p(2 / 3,2 / 3,1 / 3)

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