PHYS 201 Lab Report 3

PHYS 201L Section 004 Simple Pendulum Oluwaseyi Adelakun & Anna Sandwell I. Table of Data. Metal Ball l (m) t 1 (s) t 2 (s) t 3 (s) <t> avg g (m/s 2 ) % d 0.2 0.917 0.824 0.834 0.858 10.7 9.44 0.4 1.27 1.27 1.27 1.27 9.79 0.0918 0.6 1.53 1.53 1.53 1.53 10.12 3.27 0.8 1.81 1.81 1.81 1.81 9.64 1.63 Wooden Ball l (m) t 1 (s) t 2 (s) t 3 (s) <t> avg g (m/s 2 ) % d 0.2 0.917 0.916 0.919 0.917 9.39 4.18 0.4 1.24 1.23 1.23 1.23 10.44 6.53 0.6 1.52 1.52 1.52 1.52 10.25 4.59 0.8 1.79 1.80 1.78 1.79 9.86 0.582

II. Calculations. Metal Ball g = 4π 2 l / <t> 2 g [0.2] = 4π 2 (0.2) / (0.858) 2 = 10.7 g [0.4] = 4π 2 (0.4) / (1.27) 2 = 9.79 g [0.6] = 4π 2 (0.6) / (1.53) 2 = 10.1 g [0.8] = 4π 2 (0.8) / (1.81) 2 = 9.64 % d = | g exp - 9.8 / 9.8 | x 100 % d [0.2] = | (10.7) - (9.8) / (9.8) | x 100 = 9.4 % % d [0.4] = | (9.79) - (9.8) / (9.8) | x 100 = 0.0918 % % d [0.6] = | (10.1) - (9.8) / (9.8) | x 100 = 3.27 % % d [0.8] = | (9.64) - (9.8) / (9.8) | x 100 = 1.63 % Wooden Ball g = 4π 2 l / <t> 2 g [0.2] = 4π 2 (0.2) / (0.917) 2 = 9.39 g [0.4] = 4π 2 (0.4) / (1.23) 2 = 10.4 g [0.6] = 4π 2 (0.6) / (1.52) 2 = 10.3