Determine g (acceleration due to gravity) using the apparatus below. Materials ? Nylon line (about 1 meter) ? tube ? Set of hanging masses ? Meter stick or ruler ? Tape ? Balance or Scale ? Rubber stopper ? Stopwatch. Data:

Mass of rubber stopper: 22g

Mass of weight 1: 50g

Mass of weight 2: 500g

10 rotations at 50g

1st- 7.19 seconds- radius- 41.5cm

2nd- 7.09 s- r= 41.5cm

3rd- 7.06 s r=41.5 cm

10 rotations at 200 g

1st- 4.85 s r=36 cm

2nd-5.09 s r=36 cm

3rd- 5.13 sr=36 cm