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Give example of a motion where x gt 0, ...

Give example of a motion where ` x gt 0, vlt 0, agt ` at a particular instant.

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Let the motion be represented by equation
`x(t)=a+"be"^(-kt),agtbgt0` and `k gt 0`
So `x(t)gt0`
`v=(dx)/(dt)=-"bke"^(-kt)` i.e. `v lt 0`
and `a=(dv)/(dt)="bk^(2)e^(-kt)`, i.e. `a gt 0`
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