A particle of mass \( 2 \mathrm{~kg} \) is initially at rest. A force acts on it whose magnitude...

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A particle of mass \( 2 \mathrm{~kg} \) is initially at rest. A force acts on it whose magnitude changes with time. The force time graph is shown below

The velocity of the particle after \( 10 \mathrm{~s} \) is [Kerala PET 2008]
(a) \( 20 \mathrm{~ms}^{-1} \)
(b) \( 10 \mathrm{~ms}^{-1} \)
(c) \( 75 \mathrm{~ms}^{-1} \)
(d) \( 26 \mathrm{~ms}^{-1} \)
(e) \( 50 \mathrm{~ms}^{-1} \)
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