## Question

###### 8. Let rlt) = 2cos(t), 4t, Zsin(t) vector-valued function: Calculate the derivative r(t) .Find the indefinite integral frlt) dt:Find the arclength of the curve traced out by rlt) for 0 stsn;If r(t) Is thought of as position at time find the velocity vector v(t) and the acceleration vector alt)I

8. Let rlt) = 2cos(t), 4t, Zsin(t) vector-valued function: Calculate the derivative r(t) . Find the indefinite integral frlt) dt: Find the arclength of the curve traced out by rlt) for 0 stsn; If r(t) Is thought of as position at time find the velocity vector v(t) and the acceleration vector alt) I

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