1.

[Ans: 12km28. A body covers 2m in first 2seconds and 2.2m in next 4seconds. Find the velocity of the body[)es beore the train stops?at the end of 7 seconds,9 A hody movvinAns:0.Im/s

Answer»

Since int=2, distance covereds=2mwe have ,

s= ut+1/2at^22= 2*u+1/2a*(2^2)or u +a= 1



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