# Chapter 2 - Motion Along a Straight Line - Problems - Page 33: 22e

-80 m

#### Work Step by Step

Displacement= Final position- Initial position. Initial position= $3(0^{2})-2(0^{3})=0$ Final position= $3.0\,m/s^{2}\times(4.0\,s)^{2}- 2.0\,m/s^{3}\times(4.0\,s)^{3}= -80\,m$ Therefore, the displacement= -80 m-0= -80 m

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