The gravitational field in a region is given by \( \vec{E}=(2 \vec{...

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The gravitational field in a region is given by \( \vec{E}=(2 \vec{i}+3 \vec{j}) \mathrm{N} \mathrm{kg}^{-1} \). Show that no work is done by the
\( \mathrm{P} \) gravitational field when a particle is moved on the line

W \( 3 y+2 x=5 \)
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