A particle which is experiencing a force, is given by \( \mathbf{F}...

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A particle which is experiencing a force, is given by \( \mathbf{F}=3 \hat{\mathbf{i}}-12 \hat{\mathbf{j}} \), undergoes a displacement of \( \mathbf{d}=4 \hat{\mathbf{i}} \). If the particle had a kinetic energy of \( 3 \mathrm{~J} \) at the beginning of the
P displacement, what is its kinetic energy at the end of the

W displacement?
(2019 Main, 10 Jan II)
(a) \( 9 \mathrm{~J} \)
(b) \( 15 \mathrm{~J} \)
(c) \( 12 \mathrm{~J} \)
(d) \( 10 \mathrm{~J} \)
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