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fig 3.36 showns the velocity time grap...

fig 3.36 showns the velocity time graph of a rocket projeted upwards. Assuming the firction is neglibel a dtermine from this graph (i) the time for which fuel bruns (ii) accending and descerding part of the rocket and (iii) maximum height atteined by the rocket .

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(i) 10 s (ii) Rising in parts OA and AB , desending in part BC (iii) 55 km
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