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Q)

What work is done by a force $F=(2xN)i+(3N)j$,with $x$ in meters,that moves a particle from a position $r_i=(2m)i+(3m)j$ to a position $r_f=-(4m)i-(3m)j$?

$\begin{array}{1 1}-6J\\-5J\\6J\\-15J\end{array} $

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