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Determine the initial velocity and acceleration of particle travelling with uniform acceleration in a straight line if it travels 55 m in the 8th second

and 85 m in the 13th second of its motion.



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55m in 8th sec and 85 m in 13th sec means Distance travelled in (13-8) sec = 85-55m => distance travel in 5sec = 30 m Distance travel in 1sec = 6m Now find the initial velocity
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