A particle is acted upon by a force \( F \) which varies with position \( x \) as shown in figur...

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A particle is acted upon by a force \( F \) which varies with position \( x \) as shown in figure. If the particle at \( x=0 \) has kinetic energy of \( 25 \mathrm{~J} \), then the kinetic energy of the particle at \( x=16 m \) is
[Kerala PET 2009]
(a) \( 45 \mathrm{~J} \)
(b) \( 30 \mathrm{~J} \)
(c) \( 70 \mathrm{~J} \)
(d) \( 135 \mathrm{~J} \)
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