In each of the calculations below, show y your answer? your work. how did you get t curve c be defined parametrically by ru)- (i. e', sin t). in the book's pr eferred notation that is r(t) ti+ e'j+sin(t) k. calculate r(1) and r" what is the spced at t 0 an acceleration at t 0? 2. is the curve in q1 parameterized by arc length? know. (hint, you could compare the velocity and acce 3. calculate r(t)t