(1) check the correctness of the relation Sn= u+ a/2(2n-1) b 1/2mv^2=mgh c,v^2-u^2=2as

(1) check the correctness of the relation Sn= u+ a/2(2n-1) b 1/2mv^2=m

1.	(1) check the correctness of the relation Sn= u+ a/2(2n-1) b 1/2mv^2=mgh c,v^2-u^2=2as
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