Motion along a curve:  b) r(t) = <cos(t), sin(t), t2 >. Find v(t), a(t), aT, aN

Find T, N and B for the curve r(t) = (2 cos(5t), 2 sin(5t), 3t) at the point t = 0 Give your answers to two decimal places T (0) = Ń (0) = B(0) =

(b) y = e-u cos(u) "sin(u) – e "cos ( u) dy = -e

A wheel is rotating at a rate of 40 revolutions per minute. Find the angular speed of the wheel in radians per minute. Round your answer to two decimal places. i) 125.66 ii) 251.33 iii) 14400 iv) not listed O i i O iv