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3. Two persons just manage to push a b ock from leftto right direction along a horizontal level road withuniform velocity. When the same block is pushedby three persons in same direction a constantacceleration of 0.2 ms is produced in the block. Ifthe five persons push the block in same directiontogether, then the magnitude of acceleration of theblock will be [Assume that each person applies theforce equal in magnitude](1) 04 ms-2(3) 0.8 ms(2) 0.6 ms-2(4) 1 ms2

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