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## Homework Statement

A particle moves along the curve [itex]y(x)=x^2-4[/itex] with constant speed of 5 m/s. Determine the point on the curve where the max magnitude of acceleration occurs and compute its value.

## Homework Equations

radius of curvature[tex]|a|=\sqrt{a_n^2+a_t^2}[/tex]

## The Attempt at a Solution

I have assumed that 'constant speed' means [tex]v_t=5 \Rightarrow a_t=0[/tex]

So now I have to find where a_n is maximum. Any hints to get me going here?

Thanks,

Casey