The force \( F \) acting on a particle of mass \( m \) is indicated by the force-time graph show...

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The force \( F \) acting on a particle of mass \( m \) is indicated by the force-time graph shown below. The change in momentum of the particle over the time interval from 0 to \( 8 \mathrm{~s} \) is
(a) \( 24 \mathrm{~N}-\mathrm{s} \)
(b) \( 20 \mathrm{~N}-\mathrm{s} \)
(c) \( 12 \mathrm{~N}-\mathrm{s} \)
(d) \( 6 \mathrm{~N}-\mathrm{s} \)
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