A particle which is experiencing a force, given by \( \vec{F}=3 \hat{i}-12 \hat{j} \), undergoes...

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A particle which is experiencing a force, given by \( \vec{F}=3 \hat{i}-12 \hat{j} \), undergoes a displacement of \( \vec{d}=4 \hat{i} \). If the particle had a kinetic energy of \( 3 \mathrm{~J} \) at the beginning of the displacement, what is its kinetic energy at the end of the displacement
[JEE (Main) 2019]
(a) \( 9 \mathrm{~J} \)
(b) \( 15 \mathrm{~J} \)
(c) \( 10 \mathrm{~J} \)
(d) \( 12 \mathrm{~J} \)
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