## Question

###### A ball has pogition function r(t) = (et cog t, 2t gin t,et) for 0 < t < ln2. Find r (t)(b) Find the speed function of the ball.Find the distance the ball travels.

A ball has pogition function r(t) = (et cog t, 2t gin t,et) for 0 < t < ln2. Find r (t) (b) Find the speed function of the ball. Find the distance the ball travels.

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