The position of a mass oscillating on a spring is given by C= (4.2cm) cos [2t/ (0.79s)]. For the steps and strategies involved in solving a similar problem, you may view the following Example 13-3 video: SOLUTION What is the position when it a0304 0.10, 1 J 24s 135429 x-Acos 2 - 400 (24)-400(-42-(0.10 m) x-001- Tom Angle (rad) Celine 10 7/6 ADR 23 2013 34 Se 6 1/2 0 Part A What is the period of this motion? Express your answer in seconds. T = | Submit Part B Request Answer What is the first time the mass is at the position Express your answer in seconds. = 0