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If Sn=2+0.4n find initial velocity and a...

If Sn=2+0.4n find initial velocity and acceleration

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We have `S_(n)=u+a(n-(1)/(2))`, `Sn=(u-(a)/(2))+an`
`S_(n)=2+0.4n` comparing with above equation
U=2.2 units a=0.4 units
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