I need help with these problems please, and please answer all parts of the problems.

t Find the arc length parameter along the given curve from the point where t= 0 by evaluating the integral s(t) = I|v(1:)| (it. Then nd the length of the indicated portion of the curve r(t) = 2cost i + 2sintj + 7t k. where Osts" Z' The arc length parameter along the curve, starting at t= 0 is 5(1) = (Type an exact answer. using radicals as needed.) . Next question Find the arc length parameter along the curve from the point where t= 0 by evaluating the integral 5 = Ilvldr. Then nd the length of the indicated portion of the curve. r(t)=(e'cost)|+(e'slnt)]+e'k, -ln4StSO The arc length parameter is 5(1): . (Type an exact answer, using radicals as needed.)