A particle starts from rest, accelerates at \( 2 \mathrm{~m} / \mat...

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A particle starts from rest, accelerates at \( 2 \mathrm{~m} / \mathrm{s}^{2} \) for
\( \mathrm{P} \) \( 10 s \) and then goes with constant speed for \( 30 \mathrm{~s} \) and

W then decelerates at \( 4 \mathrm{~m} / \mathrm{s}^{2} \) till it stops. What is the distance travelled by it
(1) \( 750 \mathrm{~m} \)
(2) \( 800 \mathrm{~m} \)
(3) \( 700 \mathrm{~m} \)
(4) \( 850 \mathrm{~m} \)
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