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[" 38.Two cars off to race with velociti...

[" 38.Two cars off to race with velocities "4m/s" and "2m/s" and travel in straight line with uniform accelerations "1m/s],[m/s^(2)" respectively.If they reach the final point at the same instant,the length of the path is: "],[[" (1) "30m," (2) "32m," (3) "20m," (3) "20m],[" 39.A particle starts from rest and moves with uniform acceleration.Then the ratio of distance covered in "n^(" th ")," sec."]]

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