(2%) Problem 1: Some undergaraduate physics students are studying periodic motion using an oscillating mass on a spring. After acquiring data: they plotted the position versus time graph shown. -1.0 3.0 2.0 1.0 0.0 1.[l '2.U :If((1111) 3.(} 4,ll 5.0 The function that represents the data on the graph may be written as :c = A COS(wt + 95) With 95 E [0, 271') (2%) Problem 2: Some laboratory students are studying periodic motion using an oscillating mass on a spring. After acquiring data. they drew the position versus time graph shown -l.() 3.0 2.0 U) 0.0 Mom) 1.0 20.0 t(s) 2.0 3.0 4. 5.0 The function that represents the data on the graph may be written as w = A cos(wt + () with Q5 E [0, 211') (2%) Problem 3: Some Introductory Physics students are studying periodic motion using an oscillating mass on a spring. After recording data, they sketched the position versus time graph shown. 1.0 3.0 2.\" 1.!) 0.0 :1: ((7111) 1.fl '2.f] 3.f} 4,ll 3.fl The function that represents the data on the graph may be written as m : A cos(wt + gb) with qb E [0, 211')